Table 2.

Clinical characteristics of cases.

		Mayo Clinic	Duke University
		All cases (N=396)	All cases (N=534)
Histology	Serous	237 (60.0)	325 (61.2)
	Mucinous	28 (7.1)	64 (12.1)
	Endometrioid	65 (16.5)	66 (12.4)
	Clear cell	23 (5.8)	33 (6.2)
	Mixed/other	42 (11.6)	43 (8.1)
Stage	I	102 (26.2)	190 (36.1)
	II	29 (7.5)	40 (7.6)
	III	201 (51.7)	276 (52.5)
	IV	56 (14.4)	20 (3.8)
Behavior	Invasive	334 (84.3)	405 (76.0)
	Borderline	62 (15.7)	128 (24.0)

Data are summarized as count (percentage). Counts may not sum to total number of cases due to missing values for some attributes.