marginally significantp = 0.065
The difference in the response rate between the two groups was marginally significant ( z = 1.85, p = 0.065), with a positive (favouring active treatment) overall effect size OR = 1.525 (95% CI 0.975–2.385) and no evidence suggesting heterogeneity ( I 2 = 0.0%, Q = 10.84, p = 0.457).