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Table 2 Results of subgroup analysis

From: Prevalence of metabolic syndrome in ankylosing spondylitis: a multi national meta-analysis study

Variable

Number of effect sizes

Prevalence

95%CI

Tau2

I2

H2

Continent

Africa

1

0.37

0.23–0.53

0.00

---

---

Asia

5

0.08

0.05–0.13

0.02

95.51

22.26

Europe

15

0.16

0.11-21

0.05

82.95

5.87

South America

1

0.27

0.16–0.38

0.00

---

---

AS definition

ASAS

1

0.37

0.23–0.53

0.00

---

---

ICD-9-CM

2

0.03

0.02–0.03

0.00

0.00

1.00

Modified New York criteria

18

0.16

0.12–0.22

0.06

85.75

7.02

Mets criteria

CDS

1

0.19

0.12–0.27

0.00

---

---

EGIR

1

0.13

0.07–0.20

0.00

---

---

Harmonized definition/JC

2

0.13

0.04–0.25

0.04

84.05

6.27

IDF/JC

5

0.19

0.12–0.28

0.03

79.44

4.86

Internationally Recognized Standards

1

0.23

0.11–0.37

0.00

---

---

NCEP-ATP III

8

0.20

0.12–0.31

0.09

87.74

8.15

WHO

1

0.13

0.07–0.20

0.00

---

---

Gender

Men

5

0.26

0.21–0.32

0.00

28.58

1.40

Women

6

0.23

0.09–0.40

0.11

73.98

3.84

Quality score

10

3

0.07

0.003-0.20

0.11

99.53

213.26

9

4

0.18

0.01–0.45

0.33

93.56

15.74

8

13

0.16

0.12–0.21

0.03

79.93

4.98

6

1

0.27

0.16–0.38

0.00

---

---

4

1

0.13

0.08–0.20

0.00

---

---

Age

34-39.9

13

0.09

0.5 − 0.14

0.06

96.38

27.62

40-44.9

6

0.26

0.20–0.32

0.01

46.52

1.87

Over 45

1

0.30

0.09–0.57

0.12

83.41

6.03

  1. ASAS: Assessment of SpondyloArthritis International Society, NCEP/ATP III: National Cholesterol Education Program Adult Treatment Panel III, IRS: Internationally Recognized Standards, JC: Joint Consensus, IDF: International Diabetes Federation, WHO: World Health Organization, EGIR: European Group for the study of Insulin Resistance, ICD-9-CM: International Classification of Diseases-Ninth Revision-Clinical Modification, CDS: Chinese Diabetes Society