Tab. 2.

Comparison of cases and controls

Characteristics	Group		P value
	PCO	Control
	Mean ± SD	Mean ± SD
	Count N %	Count N (%)
Age	31.09 ±3.81	31.53 ± 3.82	0.175
BMI	23.27 ± 1.94	22.21 ± 1.41	0.001
Duration infertility	3.29 ± 0.91	3.13 ± 0.94	0.245
Type of infertility			0.001
Primary	214 (77.5%)	377 (91.3%)
Secondary	62 (22.5%)	36 (8.7%)
AFC	14.32 ± 3.69	6.4 ± 2.47	0.001
AMH	6.36±1.10	3.71 ± 0.45	0.001
OHSS			0.006
Yes	54 (19.6%)	32 (7.7%)
No	222 (80.4%)	381 (92.3%)
Pregnancy			0.001
Yes	145 (52.5%)	68 (16.5%)
No	131 (47.5%)	345 (83.5%)