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Table 4 The effect of visit on placebo response across all trials, by outcome type

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
Subjective 0.67 (0.50, 0.83) <0.0001 -0.029 (-0.089, 0.031) 0.28
Assessed 0.36 (-0.079, 0.80) 0.091 -0.032 (-0.33, 0.26) 0.51
Objective 0.32 (0.15, 0.50) 0.0024 -0.099 (-0.30, 0.11) 0.10