Table 2.

Meta-analysis results for each outcome indicator

Outcome indicator	Heterogeneity test results		Effect models	Meta-analysis results
	I2(%)	P		Effect sizes	95%CI	P
Fasting Insulin Serum Levels	94	< 0.00001	random	MD=-9.22	[-15.41, -3.02]	0.004
Fasting Blood Glucose Levels	80	0.007	random	SMD=-2.57	[-4.60, -0.55]	0.01
HOMA-IR	99	< 0.00001	random	MD=-4.13	[-5.82, -2.44]	< 0.00001
Cholesterol Levels	61	0.08	random	SMD=-6.82	[-10.21, -3.44]	< 0.0001
Triglycerides Levels	73	0.02	random	SMD=-7.33	[-11.72, -2.93]	0.001
Testosterone Levels	90	< 0.00001	random	MD=-2.02	[-2.79, -1.26]	< 0.00001
Luteinizing Hormone Levels	94	< 0.0001	random	MD=-9.23	[-14.20, -4.26]	0.0003
Luteinizing Hormone/Follicle Stimulating Hormone Ratio	98	< 0.00001	random	MD=-0.94	[-1.70, -0.19]	0.01
Vascular Endothelial Growth Factor Levels	85	0.01	random	MD=-6.69	[-9.14, -4.24]	< 0.00001
Malondialdehyde Levels	76	0.04	random	MD=-2.66	[-5.01, -0.31]	0.03
Superoxide Dismutase Levels	86	0.0006	random	SMD = 5.50	[1.27, 9.74]	0.01
The Expression of GLUT4 mRNA	49	0.16	Fixed	SMD = 7.26	[5.14, 9.38]	< 0.00001