From: Prevalence of metabolic syndrome in mainland china: a meta-analysis of published studies
Category | Subgroup | NO.of study | Prevalence (95 % CI)(%) | Sample | I 2 (%) | P | P(Egger’s Test) |
---|---|---|---|---|---|---|---|
Total |  | 36 | 24.5(22.0–26.9) | 226,653 | 99.5 | <0.001 | 0.072 |
Geographic region | Northern | 17 | 24.4(21.4–27.3) | 61,868 | 98.7 | <0.001 | 0.976 |
 | Southern | 16 | 24.6(20.2–29.1) | 112,140 | 99.7 | <0.001 | 0.036 |
 | Urban | 7 | 24.9(18.5–31.3) | 24,560 | 99.3 | <0.001 | 0.060 |
 | Rural | 16 | 19.2(14.8–23.7) | 53,268 | 99.5 | <0.001 | 0.048 |
Sex | Male | 31 | 19.2(16.9–21.6) | 94,241 | 98.9 | <0.001 | 0.150 |
 | Female | 32 | 27.0(23.5–30.5) | 127,079 | 99.8 | <0.001 | 0.141 |
Screening year | 2000–2005 | 6 | 23.8(17.7–29.9) | 50,160 | 99.6 | <0.001 | 0.051 |
 | 2005–2010 | 15 | 22.3(20.3–24.3) | 121,109 | 98.4 | <0.001 | 0.322 |
 | 2010–2015 | 15 | 27.0(22.2–31.8) | 55,384 | 99.4 | <0.001 | 0.571 |
Age-specific group(y) | 15–39 | 10 | 13.9(9.5–18.2) | 20,273 | 98.8 | <0.001 | 0.017 |
 | 40–59 | 12 | 26.4(20.5–32.3) | 38,484 | 99.4 | <0.001 | 0.258 |
 | ≥60 | 12 | 32.4(26.1–38.8) | 18,652 | 98.8 | <0.001 | 0.955 |
Male | 15–39 | 5 | 14.9(6.8–23.0) | 8585 | 99.0 | <0.001 | 0.100 |
 | 40–59 | 7 | 23.4(16.3–30.5) | 14,845 | 98.8 | <0.001 | 0.279 |
 | ≥60 | 7 | 23.0(18.0–28.0) | 7850 | 96.2 | <0.001 | 0.292 |
Female | 15–39 | 5 | 9.5(5.3–13.7) | 9536 | 98.2 | <0.001 | 0.069 |
 | 40–59 | 7 | 27.2(19.3–35.2) | 19,586 | 99.3 | <0.001 | 0.550 |
 | ≥60 | 7 | 42.9(34.5–51.3) | 8800 | 98.4 | <0.001 | 0.273 |