by Usha Govindarajulu | Apr 13, 2022 | Biostatistics, Blog, COVID-19, Healtcare, Usha Govindarajulu
Issues in COVID-19 research and statistical analyses (Part XVVVIII) April 13, 2022 In one of the latest Scientific American article, “What We Know about Omicron’s BA.2 Variant So Far”, the article summarizes some of the latest research about this new COVID-19 variant,...
by Usha Govindarajulu | Feb 21, 2019 | Biostatistics, Blog, Usha Govindarajulu
Ever heard the saying ‘laughter is the best medicine?’ What if it was the best medicine for brain surgery? It sounds farfetched, but neuroscientists have found that when they electrically stimulate one area of the brain, a person laughs and then feels an immediate...
by Usha Govindarajulu | Feb 10, 2019 | Biostatistics, Blog, Usha Govindarajulu
When the Zika virus reared its ugly head, researchers began scrambling to identify the pathogen. Initially, the virus was hard to find in affected victims. Zika simply did not leave enough evidence behind to enable identification. However, scientists from the Broad...
by Usha Govindarajulu | Oct 31, 2018 | Biostatistics, Blog, Usha Govindarajulu
Abstract To allow for non-linear exposure-response relationships, we applied flexible non-parametric smoothing techniques to models of time to lung cancer mortality in two occupational cohorts with skewed exposure distributions. We focused on three different...
by Usha Govindarajulu | Oct 5, 2018 | Biostatistics, Blog
Abstract OBJECTIVES: Genotyping errors can induce biases in frequency estimates for haplotypes of single nucleotide polymorphisms (SNPs). Here, we considered the impact of SNP allele misclassification on haplotype odds ratio estimates from case-control studies of...
