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Table 2 The effect of visit on placebo response across all trials

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

Outcome type

Intercept

Coefficient

β0 (95% CI)

P value

β (95% CI)

P value

All

0.56 (0.42, 0.71)

<0.0001

-0.033 (-0.082, 0.017)

0.16