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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