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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