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Table 3 Subgroup analysis

From: Dropouts in randomized clinical trials of Korean medicine interventions: a systematic review and meta-analysis

Confounding factor Subset Summary effect estimate
Blinding Blinded RD 0.00, 95% CI (− 0.04 to 0.04)
Open RD 0.00, 95% CI (− 0.04 to 0.04)
Institution Multicenter RD − 0.02, 95% CI (− 0.06 to 0.02)
Single-center RD 0.02, 95% CI (− 0.02 to 0.06)
Duration of treatment Less than 8 weeks RD 0.01, 95% CI (− 0.03 to 0.05)
More than 8 weeks RD − 0.00, 95% CI (− 0.05 to 0.04)
  1. CI confidence interval, RD risk difference