Table 2. Distribution and prevalence of individual HPV genotypes according to age.
| Age groups (yr) | Total (N=18,815) |
P value | ||||||
|---|---|---|---|---|---|---|---|---|
| <30 (N=418) |
30–39 (N=2,089) |
40–49 (N=4,549) |
50–59 (N=7,130) |
60–69 (N=3,776) |
≥70 (N=853) |
|||
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||
| Any HPV | 151 (36.1) | 548 (26.2) | 1,257 (27.6) | 1,902 (26.7) | 1,109 (29.4) | 260 (30.5) | 5,227 (27.8) | 0.141 |
| HR-HPV | 126 (30.1) | 446 (21.4) | 1,010 (22.2) | 1,462 (20.5) | 918 (24.3) | 221 (25.9) | 4,183 (22.2) | 0.101 |
| 16 | 18 (4.3) | 51 (2.4) | 107 (2.4) | 111 (1.6) | 76 (2) | 15 (1.8) | 378 (2) | 0.001 |
| 18 | 7 (1.7) | 24 (1.2) | 61 (1.3) | 52 (0.7) | 34 (0.9) | 7 (0.8) | 185 (1) | 0.006 |
| 31 | 8 (1.9) | 24 (1.2) | 53 (1.2) | 52 (0.7) | 40 (1.1) | 12 (1.4) | 189 (1) | 0.147 |
| 33 | 7 (1.7) | 28 (1.3) | 37 (0.8) | 40 (0.6) | 42 (1.1) | 9 (1.1) | 163 (0.9) | 0.141 |
| 35 | 4 (1) | 27 (1.3) | 58 (1.3) | 80 (1.1) | 51 (1.4) | 9 (1.1) | 229 (1.2) | 0.494 |
| 39 | 11 (2.6) | 33 (1.6) | 66 (1.5) | 87 (1.2) | 39 (1) | 15 (1.8) | 251 (1.3) | 0.019 |
| 45 | 4 (1) | 6 (0.3) | 15 (0.3) | 22 (0.3) | 16 (0.4) | 3 (0.4) | 66 (0.4) | 0.446 |
| 51 | 20 (4.8) | 44 (2.1) | 73 (1.6) | 102 (1.4) | 69 (1.8) | 25 (2.9) | 333 (1.8) | 0.130 |
| 52 | 20 (4.8) | 66 (3.2) | 135 (3) | 186 (2.6) | 142 (3.8) | 54 (6.3) | 603 (3.2) | 0.006 |
| 56 | 14 (3.4) | 40 (1.9) | 61 (1.3) | 127 (1.8) | 86 (2.3) | 27 (3.2) | 355 (1.9) | 0.021 |
| 58 | 16 (3.8) | 59 (2.8) | 100 (2.2) | 162 (2.3) | 124 (3.3) | 41 (4.8) | 502 (2.7) | 0.007 |
| 59 | 11 (2.6) | 16 (0.8) | 23 (0.5) | 59 (0.8) | 28 (0.7) | 5 (0.6) | 142 (0.8) | 0.110 |
| 68 | 16 (3.8) | 61 (2.9) | 133 (2.9) | 201 (2.8) | 134 (3.6) | 18 (2.1) | 563 (3) | 0.475 |
| 66 | 9 (2.2) | 33 (1.6) | 73 (1.6) | 115 (1.6) | 65 (1.7) | 15 (1.8) | 310 (1.7) | 0.435 |
| 26 | - | 1 (0.1) | 2 (0) | 3 (0) | 5 (0.1) | 2 (0.2) | 13 (0.1) | 0.020 |
| 53 | 20 (4.8) | 55 (2.6) | 135 (3) | 280 (3.9) | 177 (4.7) | 48 (5.6) | 715 (3.8) | < 0.001 |
| 69 | - | 2 (0.1) | 12 (0.3) | 26 (0.4) | 17 (0.5) | 5 (0.6) | 62 (0.3) | 0.001 |
| 70 | 14 (3.4) | 49 (2.4) | 131 (2.9) | 202 (2.8) | 162 (4.3) | 44 (5.2) | 602 (3.2) | < 0.001 |
| 73 | 1 (0.2) | 4 (0.2) | 8 (0.2) | 16 (0.2) | 10 (0.3) | - | 39 (0.2) | 0.481 |
| 82 | 6 (1.4) | 21 (1) | 30 (0.7) | 29 (0.4) | 12 (0.3) | 4 (0.5) | 102 (0.5) | < 0.001 |
| LR-HPV | 70 (16.8) | 200 (9.6) | 464 (10.2) | 830 (11.6) | 465 (12.3) | 121 (14.2) | 2,150 (11.4) | 0.001 |
| Multiple | 81 (53.6) | 206 (37.6) | 420 (33.4) | 671 (35.3) | 473 (42.7) | 143 (55) | 1,994 (38.1) | < 0.001 |
P value for trend of HPV infection prevalence according to age group was determined by using the Cochran-Armitage trend test.