Table 1.

Summary of subjects, their attributes, and results for cytology, human papilloma virus (HPV) screening, and histology procedures.

Parameter	HPV positive (N = 55 subjects)	HPV negative (N = 20 subjects)
Age	34 ±8 years	36 ± 13 years
Age at first sexual intercourse	16 ± 2 years	16 ± 2 years
Sexually active interval	19 ± 8	19 ± 11
Body mass index	28 ± 5a	28 ± 7
Cytology for NILM	24	19
Cytology for high-grade squamous intraepithelial lesions (HSIL)	31	1
Histology for HSIL	32	3

^aCalculated over 47 subjects; 8 missing data.

NILM, negative for intraepithelial lesion or malignancy.