Table 1.
CIN cohort distribution by index diagnosis, index treatment (cone biopsy, LEEP, laser excision or ablation, or cryotherapy), and age (n = 37 142)*
| No. of women (% of age group) |
|||||
| Index diagnosis | Age, y | Cone | LEEP | Laser | Cryotherapy |
| CIN 1 (n = 6988) | 21–29 | 132 (4.42) | 194 (6.50) | 917 (30.73) | 1741 (58.34) |
| 30–39 | 246 (11.61) | 221 (10.43) | 516 (24.36) | 1135 (53.59) | |
| 40–49 | 238 (18.20) | 192 (14.68) | 254 (19.42) | 624 (47.71) | |
| ≥50 | 234 (40.48) | 83 (14.36) | 62 (10.73) | 199 (34.43) | |
| CIN 2 (n = 10 823) | 21–29 | 353 (6.17) | 577 (10.08) | 1903 (33.24) | 2892 (50.52) |
| 30–39 | 489 (14.56) | 375 (11.17) | 1007 (29.99) | 1487 (44.28) | |
| 40–49 | 381 (30.75) | 161 (12.99) | 266 (21.47) | 431 (34.79) | |
| ≥50 | 306 (61.08) | 68 (13.57) | 40 (7.98) | 87 (17.37) | |
| CIN 3 (n = 19 331) | 21–29 | 2588 (27.40) | 1075 (11.38) | 2492 (26.38) | 3291 (34.84) |
| 30–39 | 2902 (41.12) | 843 (11.95) | 1619 (22.94) | 1693 (23.99) | |
| 40–49 | 1288 (64.30) | 215 (10.73) | 222 (11.08) | 278 (13.88) | |
| ≥50 | 720 (87.27) | 62 (7.52) | 11 (1.33) | 32 (3.88) | |
| Total | 9877 | 4066 | 9309 | 13 890 | |
*
CIN = cervical intraepithelial neoplasia; LEEP = loop electrosurgical excision procedure; laser = laser excision or ablation.