]> 2026-07-31T09:40:50+00:00 WBR0660 0 en 1.14 1.14 is not the number needed to treat 7.14 7.14 is not the number needed to treat 8.33 The number needed to treat according to this trial is 8.33 patients 300 300 is not the number needed to treat Data insufficient to calculate Given the equation below, all variables are available to calculate the number needed to treat. Biostatistics/Epidemiology A new vaccine is being developed for the prevention of Hepatitis E. In a phase 2 clinical trial, 100 individuals with negative Hepatitis E IgM and IgG anti-HEV antibodies are randomized to receive either the vaccine or placebo. Out of the 50 patients that received the vaccine, 1 went on to develop Hepatitis E in the 6 month follow-up after the vaccination. In the placebo group, 7 out of 50 patients developed Hepatitis E. What is the number needed to treat for this newly developed vaccine according to the results of this trial? C Gastrointestinal 2020-10-28T01:21:22Z 2459150.5565046 WBR0660