Table 1.
Patient characteristics. Patients were distributed according to the year of diagnosis, gender and age groups. Population with conservative management were significantly higher than those of surgery (p < 0.001). Male.
| Variables | Group I (conservative) | Group II (surgery) | Total | p-value |
|---|---|---|---|---|
| (N = 127,194) | (N = 43,652) | (N = 170,846) | ||
| N (%) | N (%) | N (%) | ||
| Year of diagnosis | < 0.001 | |||
| 2002–2005 | 32,939 (26.0) | 8,049 (18.4) | 40,988 (24.0) | |
| 2006–2010 | 38,209 (30.0) | 13,469 (30.9) | 51,678 (30.2) | |
| 2011–2015 | 33,357 (26.2) | 12,997 (29.8) | 46,354 (27.1) | |
| 2016–2020 | 22,689 (17.8) | 9,137 (20.9) | 31,826 (18.6) | |
| Gender | < 0.001 | |||
| Men | 106,771 (83.9) | 39,709 (91.0) | 146,480 (85.7) | |
| Women | 20,423 (16.1) | 3,943 (9.0) | 24,366 (14.3) | |
| Age | < 0.001 | |||
| 21.3 ± 6.8 | 21.0 ± 5.0 | 21.2 ± 6.4 | ||
| Group | < 0.001 | |||
| < 14 | 8,893 (4.6) | 638 (1.5) | 9,531 (3.8) | |
| ≤ 14, < 20 | 57,386 (46.3) | 25,753 (59.0) | 83,139 (49.6) | |
| ≤ 20 | 60,915 (49.1) | 17,261 (39.5) | 78,176 (46.6) | |
| Recurrence | < 0.001 | |||
| 23,891 (18.8) | 10,852 (24.9) | 34,743 (20.3) | ||