by Usha Govindarajulu | Jun 23, 2021 | Biostatistics, Blog, Professor, Usha Govindarajulu
Bayesian methods used in COVID-19 research During the times of uncertainty in statistical methods used in COVID-19 research. Were Bayesian methods employed much in these contexts? Yes they were here and there but probably once again, just like in regular research,...
by Usha Govindarajulu | Jun 9, 2021 | Biostatistics, Blog, Healtcare, Professor, Usha Govindarajulu
P-values and vaccine efficacy As the companies continue to re-evaluate vaccine efficacy against new variants, have they discussed p-values? Are they analyzing re-updated data again and again and correcting for inflation of the Type I error rate?? Given the...
by Usha Govindarajulu | May 26, 2021 | Biostatistics, Blog, Usha Govindarajulu
COVID-19 challenges of publishing statistically relevant studies COVID-19 is a tricky period in which to attempt to publish new studies. Criticism came from reviewers and those reading the articles whether or not one showed negative results or positive results from...
by Usha Govindarajulu | Mar 17, 2021 | Usha Govindarajulu
Doing research in COVID-19 presents many types of problems for having statistical analyses free from biases. In studies that were organized as observational studies to compare treatments or differences on some outcome between COVID-19 patients and either some type of...
by Usha Govindarajulu | Mar 3, 2021 | Biostatistics, Blog, Epidemiology, New York, Professor, Usha Govindarajulu
As of right now, this is what we know about serious safety concerns raised about these COVID-19 vaccines: the mRNA vaccines, Pfizer© and Moderna©, the Johnson & Johnson©vaccine, and the Oxford/Astrazeneca© vaccine. These are the current vaccines with...
by Usha Govindarajulu | Feb 17, 2021 | Blog, Epidemiology, Healtcare, New York, Professor, Usha Govindarajulu
Much of the new these days focuses around the vaccines that are out on the market due to emergency authorizations for their use due the continued spread and decimation caused by COVID-19. One of the major concerns that have been raised besides safety are also how the...