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Table 3 Mixed-effects model 1 (k = 68)

From: Differential HbA1c response in the placebo arm of DPP-4 inhibitor clinical trials conducted in China compared to other countries: a systematic review and meta-analysis

   Standard error z value p value Lower 95 % confidence interval Upper 95 % confidence interval
Intercept 0.015 0.031 0.472 0.637 -0.047 0.076
Factor(location)1 -0.273 0.076 -3.612 <.001 -0.421 -0.125
  1. The model is fitted with location as moderator. Location was regarded as binary variable, 1 for China and 0 for non-China