Table 3. Comparison between EAOC and non-EAOC: histology and tumor stage.

Histology and tumor stage		EAOC	Non-EAOC	p-value*
Tumor histology				<0.001
	Serous carcinoma	4 (15.4%)	43 (53.1%)†
	Mucinous carcinoma	4 (15.4%)	9 (11.1%)
	Clear-cell adenocarcinoma	6 (23.1%)†	5 (6.2%)
	Endometrioid adenocarcinoma	11 (42.3%)†	12 (14.8%)
	Other	1 (3.8%)	12 (14.8%)
FIGO tumor stage				<0.001
	I	20 (76.9%)†	36 (44.4%)
	II	0 (0%)	17 (21%)
	III	6 (23.1%)	22 (27.2%)
	IV	0 (0%)	6 (7.4%)

EAOC, endometriosis-associated ovarian cancer, FIGO, International Federation of Gynecology and Obstetrics.

^*Pearson's χ²; ^†Standardized residual >1.96.