Table 1.

Associations between genetically predicted PCOS and ovarian cancer overall and by histotype using 14 SNPs associated with PCOS in European ancestry populations

	IVW method		Cochran Q statistic
	Odds ratio (95% CI)	P-value	Test statistic	P-value
Borderline	1.08 (0.94–1.25)	0.27	7.66	0.86
Serous	1.06 (0.89–1.27)	0.52	12.32	0.50
Mucinous	1.13 (0.90–1.41)	0.29	10.92	0.62
Invasive	0.92 (0.85–0.99)	0.03	17.31	0.19
Low-grade serous	1.09 (0.83–1.43)	0.53	16.26	0.24
High-grade serous	0.91 (0.82–0.998)	0.046	18.71	0.13
Mucinous	1.13 (0.92–1.38)	0.25	12.08	0.52
Endometrioid	0.77 (0.65–0.92)	0.003	18.69	0.13
Clear cell	0.90 (0.73–1.10)	0.30	12.00	0.53