Skip to main content

Table 1 The effect of time (in months) 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

0.55 (0.42, 0.68)

<0.0001

-0.0070 (-0.024, 0.010)

0.40