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

Table 4 Mixed-effects model 2 (k = 68)

		Standard error	z value	p value	Lower 95 % confidence interval	Upper 95 % confidence interval
Intercept	-0.055	0.035	-1.565	0.118	-0.123	0.014
Factor(location)1	-0.203	0.073	-2.803	0.005	-0.346	-0.061
Factor(location)2	0.22	0.062	3.546	<.001	0.098	0.342

The model is fitted with location as moderator. Location was regarded as categorical variable, 1 for China, 2 for Japan and 0 for others

ISSN: 2050-6511