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Table 2 Results of the assessment of LTFU information stratified by journal

From: Reporting of loss to follow-up information in randomised controlled trials with time-to-event outcomes: a literature survey

  BMJ JAMA Lancet NEJM Total
Articles (n) 14 70 97 138 319
Not assessable* (n (%)) 13 (93) 13 (19) 32 (33) 74 (54) 132 (41)
Consistent** (n (%)) 1 (7) 45 (64) 49 (51) 45 (33) 140 (44)
Not consistent (n (%)) 0 12 (17) 16 (16) 19 (14) 47 (15)
  1. * Loss to follow-up information cannot be derived from the Kaplan-Meier plot.
  2. ** The numbers derived from the Kaplan-Meier plot matched the reported numbers at risk.