Table 1.

Characteristics of the study subjects

No. of subjects
Total577
Race
    Caucasian514
    African-American62
    Asian American1
Age
    Mean age (y) ± SD33.97 ± 8.62
    <40425
    ≥40144
Unknown8
Stage
    0 (CIN3, adenocarcinoma in situ)223
    I290
    II39
    III15
    IV1
    Unknown9
Histology (stage I-IV)
    Squamous cell220
    Adenocarcinoma89
    Adenosquamous15
    Other21
    Unknown9
HPV infections
    Overall HPV infection rate (%)87.4% (326/373)
    HPV1659.7%
    HPV1819.8%
    Multiple HPVs20.1%