Table 5. Characteristics of the 534 patients and the testicular atrophy data in validation cohort.
| Variables | No. | Mean age (years) | Atrophic testis | Percentage |
|---|---|---|---|---|
| Total | 534 | 2.83 | 87 | 16.3% |
| Laterality | ||||
| Unilateral | 474 | 2.70 | 82 | 17.3% |
| Bilateral | 60 | 3.83 | 5 | 8.3% |
| Testicular location | ||||
| Low | 120 | 2.94 | 9 | 7.5% |
| Middle | 349 | 2.69 | 59 | 16.9% |
| High | 65 | 3.29 | 19 | 29.2% |
| Testicular volume ratio | ||||
| <0.6 | 258 | 2.85 | 72 | 27.9% |
| ≥0.6 | 276 | 2.81 | 15 | 5.4% |
| Comorbidities | ||||
| Patients with comorbidities | 57 | 3.46 | 9 | 15.8% |
| Patients without comorbidities | 477 | 2.75 | 78 | 16.4% |
| Deferens and epididymis | ||||
| Yes | 51 | 2.12 | 22 | 43.1% |
| No | 483 | 2.90 | 65 | 13.5% |
| Orchiopexy | ||||
| Open orchiopexy | 319 | 3.09 | 40 | 12.5% |
| Laparoscopic orchiopexy | 189 | 2.24 | 38 | 20.1% |
| Two stage FSO | 26 | 3.87 | 9 | 34.6% |
| Complication | ||||
| Yes | 9 | 2.91 | 1 | 11.1% |
| No | 525 | 2.82 | 86 | 16.4% |
FSO, Fowler-Stephens orchiopexy.