Table 3

Subgroup analysis

OutcomeIntervention (n)Control (n)Relative risk (95% CI)p ValueRisk difference (95% CI), %
Strong recommendations (n=44)
 Recommendation compliance19101.9 (1.1 to 3)0.0140.9 (15.6 to 66.1)
Weak recommendations (n=80)
 Recommendation compliance30171.7 (1.1 to 2.6)<0.0132.5 (12.1 to 52.8)
  • Test for interaction (Breslow-Day test for risk ratio) p value 0.8.