Table 2.
Incidence Rate of Type-Specific Oral Human Papillomavirus (HPV) Infection, by Prior Genital HPV Infection Status in the HPV Infection in Men Study
| No Prior Genital HPV Infectiona | Prior Genital HPV Infectionb | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| HPV Type | Subjects at Risk, N | Incident Infections, N | Person-Months | Incidence per 1000 Person-Months (95% CI)a | Subjects at Risk, N | Incident Infections, N | Person-Months | Incidence per 1000 Person-Months (95% CI)a | Incidence Rate Ratio (95% CI) |
| 9vHPVb | 2112 | 131 | 14293.20 | 9.59 (7.97, 11.53) | 563 | 73 | 4076.53 | 18.59 (14.54, 23.78) | 1.94 (1.45, 2.59) |
| Low Riskc | 2624 | 29 | 18035.33 | 1.08 (0.60, 1.93) | 160 | 7 | 1145.13 | 3.85 (1.61, 9.21) | 3.56 (1.55, 8.15) |
| High Riskd | 2260 | 131 | 15408.67 | 9.07 (7.55, 10.89) | 444 | 51 | 3161.97 | 17.62 (13.22, 23.49) | 1.94 (1.40, 2.69) |
| Type 6 | 2670 | 16 | 18395.70 | 0.71 (0.37, 1.35) | 125 | 5 | 871.50 | 4.40 (1.67, 11.65) | 6.24 (2.26, 17.17) |
| Type 11 | 2805 | 15 | 19361.03 | 0.44 (0.19, 1.01) | 36 | 2 | 279.07 | 2.83 (0.57, 13.97) | 6.43 (1.45, 28.38) |
| Type 16 | 2628 | 39 | 18109.27 | 2.26 (1.61, 3.17) | 170 | 13 | 1213.90 | 10.59 (5.89, 19.05) | 4.68 (2.48, 8.84) |
| Type 18 | 2762 | 15 | 19103.67 | 0.58 (0.29, 1.15) | 65 | 5 | 459.37 | 10.19 (3.81, 27.20) | 17.52 (6.24, 49.22) |
| Type 31 | 2797 | 17 | 19270.23 | 0.68 (0.32, 1.45) | 41 | 2 | 306.43 | 5.49 (1.22, 24.79) | 8.04 (1.84, 35.07) |
| Type 33 | 2828 | 9 | 19548.97 | 0.40 (0.17, 0.95) | 19 | 0 | 127.87 | 0.00 (NE) | NE |
| Type 45 | 2781 | 9 | 19181.07 | 0.51 (0.25, 1.03) | 45 | 1 | 318.87 | 3.83 (0.53, 27.74) | 7.50 (0.94, 59.94) |
| Type 52 | 2698 | 93 | 18530.97 | 4.84 (3.79, 6.19) | 113 | 6 | 850.20 | 6.62 (2.92, 15.02) | 1.37 (0.60, 3.13) |
| Type 58 | 2751 | 3 | 19026.27 | 0.17 (0.05, 0.57) | 76 | 1 | 553.63 | 1.77 (0.21, 15.14) | 10.41 (1.03, 105.42) |
a
Adjusted for country and age groups
b
Infections due to any of the 9 vaccine-type HPVs: 6, 11, 16, 18, 31, 33, 45, 52, 58
c
Infections due to HPV 16, 18, 31, 33, 45, 52, 58
d
Infections due to HPV 6 and 11