Volume 11, Number 11—November 2005
Research
Cervical Human Papillomavirus Screening among Older Women
Table 1
Human papillomavirus (HPV) positivity rates in baseline and follow-up samples
Age (baseline) | Baseline, 1988; no. HPV positive (%) | Follow-up, 1991; no. HPV positive (%) |
---|---|---|
21 (n = 86) | 20 (23.3) | 13 (15.1) |
31 (n = 98) | 13 (13.3) | 15 (15.3) |
41 (n = 100) | 17 (17.0) | 14 (14.0) |
51 (n = 372) | 39 (10.5) | 81 (21.8) |
χ2 (trend): p = 0.004 | χ2 (trend): p = 0.059 |