Senior Biostatistician/Associate Director of Biostatistics, Biomedical Informatics Research Center, Marshfield Clinic Research Foundation, Marshfield
2008 to 2010:
Senior Biostatistician, Biomedical Informatics Research Center, Marshfield Clinic Research Foundation, Marshfield
2001 to 2008:
Senior Biostatistician/Data Unit Manager, Biostatistics - Biomedical Informatics Research Center, Marshfield Clinic Research Foundation, Marshfield
1997 to 2001:
Biostatistics Manager, Department of Clinical Research, Marshfield Medical Research Foundation, Marshfield
1992 to 1997:
Senior Biostatistician, Department of Epidemiology and Biostatistics, Marshfield Medical Research Foundation, Marshfield
1990 to 1992:
Senior Biostatistician, Department of Biostatistics and Epidemiology, The Cleveland Clinic Foundation, Cleveland
1987 to 1990:
Biostatistician, Department of Biostatistics and Epidemiology, The Clevelend Foundation, Cleveland
1983 to 1987:
Research Associate, Agricultural Statistics Laboratory, University of Arkansas, Fayetteville
1982 to 1982:
Research Associate, Cooperative Fishery and Wildlife Research Unit, University of Wyoming, Laramie
1981 to 1982:
Consultant-Instructor, College of Agriculture, University of Wyoming, Laramie
Berg RL, Mcdonald L, Strickland M. (1983). Distribution of mountain lions in Wyoming as determined by mail questionnaire. Wild Soc Bull. 11 :265-268.
Kopple JD, Berg RL, Houser H, Steinman TI, Teschan P. (1989 November). Nutritional status of patients with different levels of chronic renal insufficiency. Modification of Diet in Renal Disease (MDRD) Study Group. Kidney Int Suppl. 27 :S184-S194.
Levey AS, Berg RL, Gassman JJ, Hall PM, Walker WG. (1989 November). Creatinine filtration, secretion and excretion during progressive renal disease. Modification of Diet in Renal Disease (MDRD) Study Group. Kidney Int Suppl. 27 :S73-S80.
Beck GJ, Berg RL, Coggins CH, Gassman JJ, Hunsicker LG, Schluchter MD, Williams GW. (1991 October). Design and statistical issues of the Modification of Diet in Renal Disease Trial. The Modification of Diet in Renal Disease Study Group. Control Clin Trials. 12(5):566-586.
Myers BD, Nelson RG, Williams GW, Bennett PH, Hardy SA, Berg RL,...Knowler WC. (1991). Glomerular function in Pima Indians with non-insulin dependent diabetes mellitus of recent onset. J Clin Invest. 88 :524-530.
Laidlaw SA, Berg RL, Kopple JD, Naito H, Walker WG, Walser M. (1994 April). Patterns of fasting plasma amino acid levels in chronic renal insufficiency: results from the feasibility phase of the Modification of Diet in Renal Disease Study. Am J Kidney Dis. 23(4):504-513.
Snetselaar L, Dwyer J, Adler S, Petot GJ, Berg RL, Gassman JJ, Homer H. (1994). Reduction of dietary protein and phosphorus in the modification of diet in renal disease feasibility study. J Am Diet Assoc. 94 :986-990.
Gribble RK, Meier PR, Berg RL. (1995 September). The value of urine screening for glucose at each prenatal visit. Obstet Gynecol. 86(3):405-410.
DeStefano F, Berg RL, Griese GG. (1995 July). Determinants of serum lipid and lipoprotein concentrations in children. Epidemiology. 6(4):446-449.
Gribble RK, Fee SC, Berg RL. (1995 July). The value of routine urine dipstick screening for protein at each prenatal visit. Am J Obstet Gynecol. 173(1):214-217.
Nitschke LF, Schlosser CT, Berg RL, Selthafner JV, Wengert TJ, Avecilla CS. (1996 April). Does patient-controlled analgesia achieve better control of pain and fewer adverse effects than intramuscular analgesia? A prospective randomized trial. Arch Surg. 131(4):417-423.
Dart RA, Berg RL. (1996 December). The clinical utility of ambulatory blood pressure monitoring in a multispecialty clinic setting. Blood Press Monit. 1(6):475-480.
Buckalew VM, Berg RL, Wang SS, Porush JG, Rauch S, Schulman G. (1996 December). Prevalence of hypertension in 1,795 subjects with chronic renal disease: the modification of diet in renal disease study baseline cohort. Modification of Diet in Renal Disease Study Group. Am J Kidney Dis. 28(6):811-821.
Breden TG, Berg RL, Plotka ED. (1996 July). Effects of substrate and separation method on acrosin amidase measurements. J Androl. 17(4):443-448.
Jacobson DM, Tetzlaff BA, Berg RL. (1996). Establishing an electroretinography laboratory according to an international standard. Am J END Technol. 36 :47-65.
Goodman JR, Berg RL, Gribble RK, Meier PR, Fee SC, Mitchell PD. (1997). Longitudinal study of Group B streptococcus carriage in pregnancy. Infect Dis Obstet Gynecol. 5 :237-243.
Reding DJ, Fischer VV, Berg RL, Lappe KA. (1998). Assessment of farmers' acceptance of veterinarians as human health advocates. Journal of Agromedicine. 5 :47-60.
Jacobson DM, Berg RL, Wall M, Digre KB, Corbett JJ, Ellefson D. (1999 September). Serum vitamin A concentration is elevated in idiopathic intracranial hypertension. NEUROLOGY. 53(5):1114-1118.
Greenlee AR, Quail CA, Berg RL. (1999 November). Developmental alterations in murine embryos exposed in vitro to an estrogenic pesticide, o,p'-DDT. Reprod Toxicol. 13(6):555-565.
Larson DM, Berg RL, Shaw GR, Krawisz BR. (1999 September). Prognostic significance of DNA ploidy in endometrial cancer. Gynecol Oncol. 74(3):356-360.
Ahmann PA, Theye FW, Berg RL, Linquist AJ, Van Erem AJ, Campbell LR. (2001 January). Placebo-controlled evaluation of amphetamine mixture-dextroamphetamine salts and amphetamine salts (Adderall): efficacy rate and side effects. PEDIATRICS. 107(1):E10.
Jacobson DM, Berg RL, Grinstead GF, Kruse JR. (2001 June). Duration of positive urine for cocaine metabolite after ophthalmic administration: implications for testing patients with suspected Horner syndrome using ophthalmic cocaine. Am J Ophthalmol. 131(6):742-747.
Ruggles KH, Haessly-Ruggles SM, Berg RL. (2001 December). Prospective study of seizures in the elderly in the Marshfield Epidemiologic Study Area (MESA). EPILEPSIA. 42(12):1594-1599.
Marlenga BL, Pickett W, Berg RL. (2002 August). Evaluation of an enhanced approach to the dissemination of the <em>North American Guidelines for Children's Agricultural Tasks:</em> a randomized controlled trial. Prev Med. 35(2):150-159.
Urquhart AC, Hutchins LG, Berg RL. (2002 June). Distinguishing non-Hodgkin lymphoma from squamous cell carcinoma tumors of the head and neck by computed tomography parameters. LARYNGOSCOPE. 112(6):1079-1083.
Meier PR, Nickerson HJ, Olson KA, Berg RL, Meyer JA. (2003 January). Prevention of iron deficiency anemia in adolescent and adult pregnancies. Clin Med Res. 1(1):29-36.
Faciszewski T, Jensen RJ, Berg RL. (2003 March). Procedural coding of spinal surgeries (CPT-4 versus ICD-9-CM) and decisions regarding standards. A multicenter study. SPINE. 28(5):502-507.
Pickett W, Marlenga BL, Berg RL. (2003 July). Parental knowledge of child development and the assignment of tractor work to children. PEDIATRICS. 112(1 Pt 1):e11-e16.
Pickett W, Marlenga BL, Berg RL. (2003 August). Growing up on the farm: some kids don't. J Agric Saf Health. 9(3):183-184.
Vidaillet HJ, Chyou P, Granada JF, Greenlee RT, Berg RL, Finck CM,...Hayes JJ [including Maassen KA, Smith PN, Sharma PP.] (2003). Mortality of primary versus secondary atrial fibrillation: a population based study from the Marshfield Epidemiologic Study Area. PACE. 26(4 Pt 2):1001.
Reeser JC, Berg RL. (2004 September). Self reported injury patterns among competitive curlers in the United States: a preliminary investigation into the epidemiology of curling injuries. Br J Sports Med. 38(5):E29.
Greenlee AR, Ellis TM, Berg RL. (2004 May). Low-dose agrochemicals and lawn care pesticides induce developmental toxicity in murine preimplantation embryos. Environ Health Perspect. 112(6):703-709.
Hillman MA, Wilke RA, Caldwell MD, Berg RL, Glurich IE, Burmester JK. (2004 August). Relative impact of covariates in prescribing warfarin according to CYP2C9 genotype. Pharmacogenetics. 14(8):539-547.
Reding DJ, Fischer VV, Berg RL, Lappe KA. (2004 September). Assessment of farmers' acceptanc e of veterinarians as human health advocates. J Agromedicine. 9(2):291-305.
Lee BC, Westaby JD, Berg RL. (2004 September). Impact of a national rural youth health and safety initiative: results from a randomized controlled trial. Am J Public Health. 94(10):1743-1749.
Marlenga BL, Pickett W, Berg RL, Murphy D. (2004 January). Operational characteristics of tractors driven by children on farms in the United States and Canada. J Agric Saf Health. 10(1):17-25.
Marlenga BL, Brison RJ, Berg RL, Zentner JL, Linneman JG, Pickett W. (2004 December). Evaluation of the <em>North American Guidelines for Children's Agricultural Tasks</em> using a case series of injuries. Inj Prev. 10(6):350-357.
Bryce DA, Nelson J, Glurich IE, Berg RL. (2005 September). Intradiscal electrothermal annuloplasty therapy: a case series study leading to new considerations. WMJ. 104(6):39-46.
Reeser JC, Smith DT, Fischer VV, Berg RL, Liu K, Untiedt C, Kubista M. (2005 March). Static magnetic fields neither prevent nor diminish symptoms and signs of delayed onset muscle soreness. Arch Phys Med Rehabil. 86(3):565-570.
Wilke RA, Berg RL, Vidaillet HJ, Caldwell MD, Burmester JK, Hillman MA. (2005 November). Impact of age, CYP2C9 genotype, and concomitant medication on the rate of rise for prothrombin time during the first 30 days of warfarin therapy. Clin Med Res. 3(4):207-213.
Berg RL. (2005 May). Sensitivity and specificity. Clin Med Res. 3(2):56.
Reeser JC, Berg RL, Rhea D, Willick S. (2005 April). Motivation and satisfaction among polyclinic volunteers at the 2002 Winter Olympic and Paralympic Games. Br J Sports Med. 39(4):e20.
Zentner JL, Berg RL, Pickett W, Marlenga BL. (2005 June). Do parents' perceptions of risks protect children engaged in farm work? PREVENTIVE MEDICINE. 40(6):860-866.
Marlenga BL, Doty BC, Berg RL, Linneman JG. (2006 February). Evaluation of a policy to reduce youth tractor crashes on public roads. Injury Prev. 12(1):46-51.
Giampietro PF, Greenlee RT, McPherson EW, Benetti LL, Berg RL, Wagner SF. (2006 August). Acute health events in adult patients with genetic disorders: the Marshfield Epidemiologic Study Area. Genet Med. 8(8):474-490.
Wilke RA, Berg RL, Peissig PL, Kitchner TE, Sijercic B, McCarty CA, McCarty DJ. (2007 March). Use of an electronic medical record for the identification of research subjects with diabetes mellitus. Clin Med Res. 5(1):1-7.
Caldwell MD, Berg RL, Zhang KQi, Glurich IE, Schmelzer JR, Yale SH,...Burmester JK [including Vidaillet HJ.] (2007 March). Evaluation of genetic factors for warfarin dose prediction. Clin Med Res. 5(1):8-16.
Marlenga BL, Berg RL, Linneman JG, Brison RJ, Pickett W. (2007 February). Changing the child labor laws for agriculture: impact on injury. Am J Public Health. 97(2):276-282.
Peissig PL, Sirohi E, Berg RL, Brown-switzer C, Ghebranious N, McCarty CA, Wilke RA. (2007 April). Construction of atorvastatin dose-response relationships using data from a large population-based DNA biobank. Basic Clin Pharmacol Toxicol. 100(4):286-288.
Morrongiello BA, Marlenga BL, Berg RL, Linneman JG, Pickett W. (2007 October). A new approach to understanding pediatric farm injuries. Soc Sci Med. 65(7):1364-1371.
Pickett W, Dostaler S, Berg RL, Linneman JG, Brison RJ, Marlenga BL. (2007 April). Pediatric fall injuries in agricultural settings: a new look at a common injury control problem. J Occup Environ Med. 49(4):461-468.
Wilke RA, Berg RL, Linneman JG, Zhao C, McCarty CA, Krauss RM. (2008 October). Characterization of low-density lipoprotein cholesterol-lowering efficacy for atorvastatin in a population-based DNA biorepository. Basic Clin Pharmacol Toxicol. 103(4):354-9.
Pickett W, Dostaler S, Berg RL, Brison RJ, Linneman JG, Marlenga BL. (2008 November). Hospitalized head injuries in agricultural settings: Who are the vulnerable groups? Accident Analysis and Prevention. 40 :1943-48.
Morrongiello BA, Pickett W, Berg RL, Linneman JG, Brison RJ, Marlenga BL. (2008 May). Adult supervision and pediatric injuries in the agricultural worksite. Accid Anal Prev.. 40(3):1149-56.
International Warfarin Pharmacogenetics Consortium,, Klein TE, Altman RB, Eriksson N, Gage BF, Kimmel SE,...Burmester JK [including Caldwell MD, Berg RL.] (2009 February). Estimation of the warfarin dose with clinical and pharmacogenetic data. NEW ENGLAND JOURNAL OF MEDICINE. 360(8):753-64.
Berg RL, Pickett W, Fitz-Randolph M, Broste SK, Knobloch MJ, Wood DJ,...Marlenga BL [including Kirkhorn SR, Linneman JG.] (2009 December). Hearing conservation program for agricultural stude nts: Short-term outcomes from a cluster-randomized trial with planned long-term follow-up. PREVENTIVE MEDICINE. 49(6):546-52.
Wilke R, Berg RL, Linneman JG, Peissig PL, Starren J, Ritchie MD, McCarty CA. (2010). Quantification of the clinical modifiers impacting high-density lipoprotein cholesterol in the community: Personalized Medicine Research Project. Prev Cardiol. 13(2):63-8.
Khajanchi BK, Fadl AA, Borchardt MA, Berg RL, Horneman AJ, Stemper ME,...Chopra AK. (2010 April). Distribution of Virulence Factors and Molecular Fingerprinting of Aeromonas Species Isolated from Water and Clinical Samples: Suggestive Evidence of Water-to-Human Transmission. Appl Environ Microbiol. 76(7):2313-25.
Lenzini P, Wadelius M, Kimmel S, Anderson JL, Jorgensen AL, Pirmohamed M,...Gage BF [including Caldwell MD, Dowd MB, Berg RL.] (2010 May). Integration of Genetic, Clinical, and INR Data to Refine Warfarin Dosing. Clin Pharmacol Ther. 87(5):572-8.
Wiley CL, Switzer SP, Berg RL, Glurich IE, Dart RA. (2010 March). Association of B-type natriuretic peptide (BNP) levels with estimated glomerular filtration rate (eGFR) and congestive heart failure (CHF). Clinical Medicine & Research. 8(1):7-11.
Reeser JC, Joy EA, Porucznik CA, Berg RL, Colliver EB, Willick SE. (2010 January). Risk factors for volleyball-related shoulder pain and dysfunction. Physical Medicine and Rehabilitation. 2(1):27-38.
Feng Q, Jiang L, Berg RL, Antonik M, MacKinney E, Gunnell-Santoro J,...Wilke RA [including McCarty CA.] (2010 December). A common CNR1 (Cannabinoid Receptor 1) haplotype attenuates the decrease in HDL cholesterol that typically accompanies weight gain. PLoS One. 5(12):e15779.
Strobush L, Berg RL, Cross DS, Foth WS, Kitchner TE, Coleman LA, McCarty CA. (2011 January). Dietary intake in the Personalized Medicine Research Project: a resource for studies of gene-diet interaction. Nutr J. 10 :13-25.
McKiernan FE, Hocking JA, Cournoyer S, Berg RL, Linneman JG. (2011 September). A Long Femur Scan Field Does Not Alter Proximal Femur Bone Mineral Density Measurements by Dual-Energy X-Ray Absorptiometry. J Clin Densitom. 14(3)
McCarty CA, Berg RL, Patchett RB, Wilke RA, Burmester JK. (2012 June). Lack of association between polymorphisms in the prostaglandin F(2a) receptor and solute carrier organic anion transporter family 2A1 genes and intraocular pressure response to prostaglandin analogs. Opthalmic Genet. 33(2):74-6.
Kanth R, Berg RL, Rezkalla SH. (2012 July). Impact of lunar phase on the incidence of cardiac events. World Journal of Cardiovascular Diseases. 2(3):124-128.
McCarty CA, Berg RL, Welter JD, Kitchner TE, Kemnitz JW. (2012 January). A novel gene-environment interaction involved in endometriosis. Int J Gynaecol Obstet. 116(1):61-3.
Onitilo AA, Engel JM, Stankowski RV, Liang H, Berg RL, Doi SA. R.. (2012 July). High-sensitivity C-reactive protein (hs-CRP) as a biomarker for trastuzumab-induced cardiotoxicity in HER2-positive early-stage breast cancer: a pilot study. BREAST CANCER RESEARCH AND TREATMENT. 134(1):291-8.
Peissig PL, Rasmussen LV, Berg RL, Linneman JG, McCarty CA, Waudby CJ,...Starren JB [including Chen L.] (2012 March). Importance of multi-modal approaches to effectively identify cataract cases from electronic health records. JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION. 19(2):225-34.
Marlenga BL, Berg RL, Linneman JG, Wood DJ, Kirkhorn SR, Pickett W. (2012 July). Determinants of early-stage hearing loss among a cohort of young workers with 16-year follow-up. OCCUPATIONAL AND ENVIRONMENTAL MEDICINE. 69(7):479-84.
Onitilo AA, Doi SA. R., Engel JM, Glurich IE, Johnson JC, Berg RL. (2012 July). Clustering of venous thrombosis events at the start of tamoxifen therapy in breast cancer: A population-based experience. THROMBOSIS RESEARCH. 130(1):27-31.
Pendergrass S, Verma S, Holzinger E, Moore C, Wallace J, Dudek S,...Ritchie MD [including Kitchner TE, Berg RL.] (2013). Next-generation analysis of cataracts: determining knowledge driven gene-gene interactions using Biofilter, and gene-environment interactions using the PhenX Toolkit. Pac Symp Biocomput. :147-58.
McCarty CA, Berg RL, Rottscheit CM, Dart RA. (2013 November). The use of dietary supplements and their association with blood pressure in a large Midwestern cohort. BMC Complement Altern Med. 13 :339.
Onitilo AA, Berg RL, Engel JM, Stankowski RV, Glurich IE, Williams GA, Doi SA. R.. (2013 December). Prostate Cancer Risk in Pre-Diabetic Men: A Matched Cohort Study. Clinical Medicine & Research. 11(4):201-9.
Berg RL, Shaw GR. (2013 February). Laboratory Evaluation for Vitamin B12 Deficiency: the Case for Cascade Testing. Clinical Medicine & Research. 11(1):7-15.
Black CE, Berg RL, Urquhart AC. (2013 December). 24-hour urinary calcium in primary hyperparathyroidism. Clinical Medicine & Research. 11(4):219-25.
Glurich IE, Berg RL, Burmester JK. (2013 June). Does CALU SNP rs1043550 Contribute Variability to Therapeutic Warfarin Dosing Requirements? Clinical Medicine & Research. 11(2):73-9.
Newton KM, Peissig PL, Kho A, Bielinski S, Berg RL, Choudhary V,...Denny J. (2013 June). Validation of electronic medical record-based phenotyping algorithms: results and lessons learned from the eMERGE network. JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION. 20(e1):e147-54.
Onitilo AA, Doi SA. R., Engel JM, Glurich IE, Berg RL. (2013 June). Relationship between Factor V Leiden mutation and venous thromboembolism in patients with breast cancer treated with tamoxifen. THROMBOSIS RESEARCH. 131(6):567-8.
Onitilo AA, Berg RL, Engel JM, Glurich IE, Stankowski RV, Williams G, Doi SA. R.. (2013 August). Increased risk of colon cancer in men in the pre-diabetes phase. PLoS One. 8(8):E70426.
Berg RL, Pickett W, Linneman JG, Wood DJ, Marlenga BL. (2014 April). Asymmetry in noise-induced hearing loss: Evaluation of two competing theories. Noise Health. 16(69):102-7.
Onitilo AA, Stankowski RV, Berg RL, Engel JM, Williams GH, Doi SA. R.. (2014 May). A novel method for studying the temporal relationship between type 2 diabetes mellitus and cancer using the electronic medical record. BMC Medical Informatics & Decision Making. 14(1):38.
McCarty CA, Berg RL, Rottscheit CM, Waudby CJ, Kitchner TE, Brilliant MH. (2014 January). Validation of PhenX measures in the personalized medicine research project for use in gene/environment studies. BMC Med Genomics. 7(1):3.
Peissig PL, Santos Costa V, Caldwell MD, Rottscheit CM, Berg RL, Mendonca EA, Page D. (2014 December). Relational machine learning for electronic health record-driven phenotyping. J Biomed Inform. 52 :260-70.
Sundaram ME, Berg RL, Economos C, Coleman LA. (2014 September). The Relationship Between Childhood BMI and Adult Serum Cholesterol, LDL, and Ankle Brachial Index. Clinical Medicine & Research. 12(1-2):33-9.
Wei W, Feng Q, Jiang L, Waitara M, Iwuchukwu O, Roden D,...Denny J [including Berg RL, Peissig PL.] (2014 March). Characterization of Statin Dose Response in Electronic Medical Records. CLINICAL PHARMACOLOGY & THERAPEUTICS. 95(3):331-8.
Onitilo AA, Stankowski RV, Berg RL, Engel JM, Glurich IE, Williams G, Doi SA. R.. (2014 March). Type 2 diabetes mellitus, glycemic control, and cancer risk. EUROPEAN JOURNAL OF CANCER PREVENTION. 23(2):134-40.
Onitilo AA, Stankowski RV, Berg RL, Engel JM, Glurich IE, Williams G, Doi SA. R.. (2014 March). Breast cancer incidence before and after diagnosis of type 2 diabetes mellitus in women: increased risk in the prediabetes phase. EUROPEAN JOURNAL OF CANCER PREVENTION. 23(2):76-83.
McKiernan FE, Berg RL, Fuehrer J. (2014 July). Clinical and Radiographic Findings in Adults With Persistent Hypophosphatasemia. JOURNAL OF BONE AND MINERAL RESEARCH. 29(7):1651-60.