TABLE 1.

Demographics and laboratory test results, CDC Cervical Cancer Study 2009-2011

Demographic	Category	n	%
Age at enrollment, by 5-y age category	30-34	149	6.6
	35-39	471	21.0
	40-44	473	21.1
	45-49	468	20.8
	50-54	385	17.1
	55-60	300	13.4
Total		2246	100.0
Age at enrollment, mean (SD)		45.1 (7.6)
Clinic is located in Chicago	No	772	34.4
	Yes	1474	65.6
Total		2246	100.0
Laboratory tests
Pap test type	Liquid	1466	65.3
	Conventional	768	34.2
	Not reported	12	0.5
Total		2246	100
Pap results	Negative	2112	94.0
	ASC-US	95	4.2
	LSIL	25	1.1
	ASC-H	4	0.2
	HSIL	5	0.2
	AGUS	3	0.1
	AGC	1	0.04
	Adenocarcinoma	1	0.04
Total		2246	100.0
Pap resultsa	Negative	2112	94.0
	Positive	134	6.0
Total		2246	100
HPV resultsb	Negative	2084	92.8
	Positive	162	7.2
Total		2246	100
Pap and HPV combinations	Pap− / HPV−	2002	89.1
	Pap+ / HPV −	82	3.7
	Pap− / HPV+	110	4.9
	Pap+ / HPV+	52	2.3
		2246	100.0

AGC, atypical glandular cells; AGUS, atypical glandular cells of undetermined significance; ASC-H, atypical squamous cells cannot exclude high-grade; ASC-US, atypical squamous cells of undetermined significance; HPV, human papillomavirus test; HSIL, high grade squamous intraepithelial lesion; LSIL, low grade squamous intraepithelial lesion; Pap, Papanicolaou test; SD, standard deviation.

^aNegative includes within normal limits and negative for intraepithelial lesion or malignancy; Positive includes ASC-US, LSIL, HSIL, AGUS, AGC, adenocarcinoma;

^bNegative includes HPV negative; positive includes HPV positive.