From: Calculation of NNTs in RCTs with time-to-event outcomes: A literature review
No. of articles
Journal
RCTs
NNT reporting
CI for NNT
BMJ
90
13
7
JAMA
199
16
4
Lancet
190
14
NEJM
255
19
6
Total
734
62 (8.4%)
21 (33.9%)