by Usha Govindarajulu | Oct 9, 2024 | Biostatistics, Epidemiology, Healtcare, Usha Govindarajulu
Statistical issues in survival analysis (Part XVVVVV) October 9, 2024 The authors have discussed some issues in survival analysis in relation to Kaplan-Meier curves. They then came up with alternative ways to design, analyze, and interpret the results of the trials...
by Usha Govindarajulu | Aug 16, 2023 | Biostatistics, Blog, COVID-19, Epidemiology, Healtcare, Usha Govindarajulu
The authors developed a proportional incidence model to estimate vaccine effectiveness (VE) but at the population level. Understanding VE during the COVID-19 pandemic was very important. Since obtaining individual level data linkages, the authors used aggregated...
by Usha Govindarajulu | Apr 26, 2023 | Biostatistics, Blog, COVID-19, Epidemiology, Healtcare, Usha Govindarajulu
April 26, 2023 In a recent article that appeared in Statistics in Medicine, Arntzen et al discussed that quarantine time length for persons infected with SARS-CoV-2 was based on incubation time distribution estimates. However, given the unknowns about time to...
by Usha Govindarajulu | Dec 21, 2022 | Biostatistics, Blog, COVID-19, Epidemiology, Healtcare, Usha Govindarajulu
December 21, 2022 In an article published on December 14, 2022 in MSN.com, researchers had been studying the effect of COVID-19 and exercise and had found a strong correlation or link between the disease and exercise according to research cited from an article...
by Usha Govindarajulu | Aug 31, 2022 | Biostatistics, Blog, COVID-19, Epidemiology, Healtcare, Usha Govindarajulu
August 31, 2022 In a recent article in NEJM that appeared this month, researchers conducted a double-blind randomized placebo-controlled trial of metformin, ivermectin, and fluvoxamine to study their effectiveness against outcomes related to COVID-19. They used a...
by Usha Govindarajulu | Aug 3, 2022 | Biostatistics, Blog, COVID-19, Epidemiology, Healtcare, Usha Govindarajulu
August 3, 2022 In a recent article in BMJ Global Health, James et al discuss a statistical analysis they performed on retrospective data on SARS-CoV-2 infections during the first wave of the COVID-19 pandemic in sub-Saharan African countries using World Health...
