Table 3.
Certainty assessment | No. of patients | Effect | Certainty | Importance | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of studies | Study design | Risk of bias | Inconsistency | Indirectness | Imprecision | Other considerations | CT-P13 | infliximab originator | Relative (95% CI) | Absolute (95% CI) | ||
Not in remission (follow up: mean 12 months; assessed with: Defined clinically) | ||||||||||||
2 | Randomised trials | Serious a | Not serious | Not serious | Serious b | None | 73/234 (31.2%) | 59/214 (27.6%) | RR 0.89 (0.58–1.38) | 30 fewer per 1,000 (from 116 fewer to 105 more) | ⨁⨁◯◯ LOW | CRITICAL |
loss of response or worsening of disease (follow up: mean 12 months; assessed with: clinical opinion) | ||||||||||||
2 | randomised trials | serious a | not serious | serious c | serious b | none | 57/234 (24.4%) | 33/214 (15.4%) | RR 0.64 (0.44–0.94) | 56 fewer per 1,000 (from 86 fewer to 9 fewer) | ⨁◯◯◯ VERY LOW | CRITICAL |
Adverse events (follow up: mean 12 months; assessed with: Assessed clinically (either all adverse events or serious adverse events)) | ||||||||||||
2 | Observational studies | Serious d | Not serious | Serious c | Serious b | None | 33/142 (23.2%) | 29/151 (19.2%) | RR 0.94 (0.74–1.21) | 12 fewer per 1,000 (from 50 fewer to 40 more) | ⨁◯◯◯ VERY LOW | CRITICAL |
CI, confidence interval; RR, risk ratio.
aOne of the two trials had an unclear risk of bias.
b95% CI wide with number of events < 250.
cEach trial defined loss of response differently.
dTwo observational studies where decision to switch to CT-P13 is up to patient and clinician.