Prevalence of osteoporosis in China: a meta-analysis and systematic review

BMC Public Health

Table 2 Comparison of osteoporosis prevalence for sex in different regions and areas

Category	Subgroup	NO. of Studies	Prevalence (95 % CI)(%)	N	I² (%)	Publication bias
						P(Begg)	P(Egger)
Southern	Female	29	17.95 [11.79–25.08]	39133	99.7	0.065	0.929
Southern	Male	29	26.19 [20.46–32.35]	51945	99.6	0.246	0.145
Northern	Female	27	24.61 [19.32–30.31]	56445	99.5	0.348	0.366
Northern	Male	23	12.22 [9.28–15.51]	36577	98.8	0.809	0.717
Urban	Female	38	22.96 [18.18–28.13]	64926	99.6	0.009	0.001
Urban	Male	39	16.47 [11.91–21.61]	52689	99.6	0.007	0.007
Rural	Female	17	30.98 [23.98–38.46]	43263	99.6	0.205	0.046
Rural	Male	14	12.15 [8.51–16.34]	23222	98.7	0.101	0.021

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