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Table 2 Prevalence of MS according to a different category

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