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Table 4 Subgroup analysis of the included studies according to type of exercise, BMI, number of weeks of intervention, and AMH

From: The effect of exercise on anti-Mullerian hormone levels in patients with polycystic ovary syndrome: a systematic review and meta-analysis

Subgroups

Number

of articles

Sample size

I2

Egger’s regression intercept

Std. diff. in means (lower limit — upper limit)

Standard error

Intervention group

Control group

Type of exercise

Resistance

5

96

92

85.06

0.633

0.63 (0.17–1.43)

0.40

Aerobic

6

181

98

4.43

0.604

0.30 (0.0–0.56)

0.13

BMI before intervention

≤ 25 (kg/m2)

3

74

74

0.000

0.235

0.55 (0.22–0.88)

0.16

> 25 (kg/m2)

10

258

171

76.55

0.815

0.53 (0.09–0.97)

0.22

Number of weeks of intervention

8 weeks

5

61

61

37.12

0.282

0.26 (0.10–0.62)

0.23

12 weeks

4

118

76

37.16

0.981

0.41 (0.11–0.71)

0.20

16 weeks

2

47

43

93.26

-

1.18 (0.65–3.02)

0.93

AMH before intervention

≤ 10 (ng/ml)

6

222

135

78.99

0.945

0.74 (0.22–1.27)

0.27

> 10 (ng/ml)

7

110

110

25.68

0.248

0.23 (0.03–0.50)

0.13