Table 2. Clinicopathologic characteristics of the patients.

Disease	Histology	Training set (n = 268)									Validation set (n = 156)
		No. of Patients	FIGO (No. of patients)					Age (years)			No. of Patients	FIGO (No. of patients)					Age (years)
			I	II	III	IV	unknown	Range	Median	Mean		I	II	III	IV	unknown	Range	Median	Mean
Ovarian disease		230									93
	Benign tumor	114						22–81	44.5	47.5	40						20–76	42.5	42.8
	EMS	71						28–71	43	44.2	17						23–57	44	41.4
	non-EMS	43						22–81	54	52.9	23						20–76	41	43.9
	Borderline tumor	8	8	0	0	0	0	31–75	53	55.8	15	14	0	1	0	0	16–80	46	47.6
	Ovarian cancer	108									38
	CCC-subtype	29	15	3	8	3	0	37–79	57	56.7	7	3	1	3	0	0	38–71	58	57.7
	non-CCC-subtypes	79	22	12	25	16	4	15–84	57	55.0	31	8	4	11	6	2	27–84	63	61.5
	Serous	27	3	2	14	8	0	15–79	58	55.2	17	3	2	9	2	1	36–76	65	63.3
	Endometrioid	28	11	8	6	1	2	35–84	55	56.6	4	0	2	1	1	0	61–77	65	67.0
	Mucinous	8	5	1	0	2	0	24–77	47.5	47.1	4	3	0	0	1	0	27–75	46.5	48.8
	Other	16	3	1	5	5	2	25–75	60	56.8	6	2	0	1	2	1	37–84	62	61.2
Uterine disease		38						28–88	47	49.8	58						26–85	47	50.7
	Uterine fibroids	5						35–70	40	44.8	17						28–66	46	46.2
	Cervical cancer	18	7	7	0	1	3	28–65	40	42.8	15	11	3	0	0	1	26–70	46	47.6
	Endometrial cancer	15	8	2	1	4	0	35–88	60	51.4	26	15	2	6	1	2	38–85	53	55.7
Other disease		0									5						33–66	60	55.4
	Total	268									156

Abbreviations: EMS, endometriosis.