Table 1.

Clinical and demographic characteristics of patients (N=808)

Potential Risk Factors	Number of Patients	Percentage
Race
Caucasian	503	62.3
African American	174	21.5
Hispanic	97	12.0
Asian	16	2.0
Other	18	2.2
Age
Younger than 40 years	194	24.0
40-50 years	451	55.8
Older than 50 years	163	20.2
Perimenopausal or postmenopausal status	75	9.3
History of infertility	18	2.2
History of polycystic ovarian syndrome	13	1.6
History of diabetes	26	3.2
History of hypertension	158	19.6
History of cancer	28	3.5
History of tamoxifen use	5	0.6
History of hormone replacement therapy	34	4.2
Oral contraceptive use (ever users)	248	30.7
History of smoking	92	11.4

Potential Risk Factors	Number of Patients	Percentage
Family history of ovarian, breast, endometrial, or colorectal cancer	94	11.8
Preoperative Pap test results (within 1 year)	713	88.2
Normal	698	97.9
Abnormal1	15	2.1
Preoperative or intraoperative endocervical curettage	30	3.7
Preoperative ultrasonography	458	56.7

¹Abnormal pap tests included atypical squamous cells of undetermined significance with either negative HPV or colposcopic evaluation (n=13), cervical intraepithelial neoplasia (CIN) 2 on pap test and colposcopy (n=1), and endometrial cells on pap test (n=1).