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Table 6 The effect of visit on placebo response in trials with pain as the outcome

From: A meta-analysis of temporal changes of response in the placebo arm of surgical randomized controlled trials: an update

Outcome Intercept Coefficient
β0 (95% CI) P value β (95% CI) P value
Pain 0.94 (0.72, 1.15) <0.0001 -0.045 (-0.16, 0.069) 0.36