Here, Jing Qin and colleagues developed a low-cost approach to estimate incubation periods and applied it to 1,084 confirmed cases of COVID-19 that had known histories of travel or residency in Wuhan, ...

Background: The latest update of the BIG 1-98 study (74 months) applied IPCW to estimate treatment effect in the presence of selective crossover (25% of TAM pts). The IPCW hazard ratio for overall ...