Table 1.
Patient characteristics.
| HPV (+) | HPV (−) | p | HPV 6 | HPV 11 | p | |
|---|---|---|---|---|---|---|
| Sex | ||||||
| M | 16 | 9 | 10 | 6 | ||
| F | 3 | 1 | 0.62a | 2 | 1 | 0.77a |
| Age mean (range, SD) | 49.31 (30–69, 11.60) | 60.10 (37–86, 16.04) | 0.08b | 44.83 (30–58, 8.67) | 57.00 (45–69, 12.53) | 0.04b* |
| Smoking | ||||||
| + | 15 | 8 | 9 | 6 | ||
| − | 4 | 2 | 0.68a | 3 | 1 | 0.55a |
| Alcohol | ||||||
| + | 16 | 8 | 10 | 6 | ||
| − | 3 | 2 | 0.81a | 2 | 1 | 0.77a |
| HPV vaccine | 0 | 0 | − | 0 | 0 | − |
| No. of total surgeries | 3.78 (1–16) | 1.30 (1–3) | 0.02b* | 3.36 (1–8) | 4.43 (1–16) | 0.67b |
| Derkay score | 6.27 (3–14) | 4.84 (3–8) | 0.02b* | 5.68 (3–10) | 6.92 (3–14) | 0.10b |
| Malignant transformation | ||||||
| + | 0 | 3 | 0 | |||
| − | 19 | 7 | 0.03a* | 12 | 7 | − |
Significant values are in [bold].
HPV Human papillomavirus, M Male, F Female, SD Standard deviation.
*Indicates p < 0.05. Data for the two populations in the two categories are subjected to a Fisher’s exact test. A Welch’s t-test is applied to compare two sets of data.
aIndicates Fisher’s exact test.
bIndicates Welch’s t-test.