Table 2.

Prevalence of hyperuricemia by subgroups in mainland China

Subgroups	No. of studies	Pooled	95% CI	I2 (%)	P-value
Region
East	23	0.173	0.139–0.213	99.844	< 0.001
North	16	0.174	0.134–0.222	99.241	< 0.001
Northeast	6	0.246	0.163–0.353	99.873	< 0.001
Northwest	18	0.155	0.121–0.197	97.447	< 0.001
South Central	26	0.207	0.170–0.249	99.373	< 0.001
Southwest	6	0.158	0.102–0.236	99.779	< 0.001
Overall	95	0.181	0.163–0.201	99.734	0.281
Sex
Females	83	0.110	0.096–0.126	99.678	< 0.001
Males	89	0.227	0.202–0.254	99.447	< 0.001
Overall	172	0.163	0.149–0.178	99.613	< 0.001
Study type
Cross-sectional	94	0.181	0.164–0.200	99.761	< 0.001
Cohort	9	0.119	0.082–0.169	95.073	< 0.001
Case control	4	0.149	0.088–0.240	94.186	< 0.001
Overall	107	0.174	0.158–0.191	99.735	0.062