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biostatistics Archives

Harrell lands national award for excellence in statistical collaboration

Oct. 9, 2014—Frank Harrell Jr., Ph.D., professor and chair of the Department of Biostatistics, has received the 2014 W.J. Dixon Award for Excellence in Statistical Consulting, conferred by the American Statistical Association.

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Weight regain after gastric bypass

Aug. 15, 2014—Early weight regain after gastric bypass surgery does not reverse metabolic improvements, and the "hunger hormone" ghrelin might indicate who is susceptible to weight regain.

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Study links stem cell gene to prostate cancer susceptibility

Mar. 27, 2014—A gene on chromosome 8 — in a region of the genome linked to risk for many types of cancer — is particularly associated with prostate cancer susceptibility, Vanderbilt University researchers have found.

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Mitochondrial mutations not random

Nov. 25, 2013—A study of mitochondrial DNA mutations suggests they result from a process that selects for particular mutations in certain tissues.

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‘Cornelius’ program speeds assessment of readmission risk

Oct. 3, 2013—A new computer program called Cornelius calculates two risk scores for each newly arrived Vanderbilt University Hospital patient — one estimating the patient’s risk of developing pressure ulcers (bedsores) during the current hospital stay, and the other estimating the patient’s risk of returning to VUH for readmission within 30 days of discharge.

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Gene interactions and cavities

Sep. 30, 2013—Vanderbilt researchers used existing genome-wide association study datasets to identify gene interactions that contribute to tooth decay.

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Defining patient retention

Jul. 15, 2013—Vanderbilt researchers propose guidelines for defining patient retention in clinical studies – an important parameter that affects study conclusions and program evaluations.

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More gene links to breast cancer risk

Oct. 19, 2012—Two newly identified gene variants linked to breast cancer may aid in predicting disease risk and targeting screening and prevention strategies.

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Biostatistics Clinics help investigators hone studies

Sep. 27, 2012—Amory Cox, a Pharmacy Practice resident, is making her second visit to the Biostatistics Clinic, a free, 75- minute research help session offered daily by the Department of Biostatistics.

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Arbogast remembered as outstanding teacher, mentor

Sep. 6, 2012—Patrick Arbogast, Ph.D., a former Vanderbilt faculty member in the Departments of Biostatistics and Preventive Medicine, died in August.

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Study tracks how gene may promote lung cancer tumors

Aug. 9, 2012—Vanderbilt-Ingram Cancer Center researchers have identified how one of the genes most commonly mutated in lung cancer may promote such tumors.

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Making order out of ordinal data

Jun. 12, 2012—A new statistical tool developed by Vanderbilt biostatisticians will help medical researchers make sense of a commonly encountered – but hard-to-analyze – type of data.

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