Table 3 Per-protocol analyses over 12 weeks, stratified by history of suicidal behaviour at start of follow-up.

From: Effect of selective serotonin reuptake inhibitor treatment following diagnosis of depression on suicidal behaviour risk: a target trial emulation

History of suicidal behaviour (yes/no)

N events, initiators

N events, non-initiators

Absolute risk, initiators % (95% CI)

Absolute risk, non-initiators % (95% CI)

Risk difference % (95% CI)

Risk ratio (95% CI)

Noa

155

227

0.41 (0.28,0.53)

0.22 (0.17,0.27)

0.19 (0.06,0.32)

1.87 (1.28,2.72)

Yesb

33

78

2.94 (1.22,4.66)

2.52 (1.59,3.44)

0.42 (−1.49,2.34)

1.17 (0.58,2.34)

  1. aN individuals = 158,046.
  2. bN individuals = 4221.