Table 1.
Cohort characteristics by surgery type.
| Variable | Detorsion | TVF | Orchiectomy | P-value |
|---|---|---|---|---|
| Number (%) | 97 (53) | 36 (20) | 49 (27) | |
| Ischemia time, hours, median (IQR) | 7 (5–11) | 11 (6–26) | 51 (29–72) | <0.001 |
| Ischemia time, hours, n (%) | <0.001 | |||
| <6 | 28 (29) | 4 (11) | 2 (4) | |
| 6–12 | 48 (50) | 15 (42) | 4 (8) | |
| 12–24 | 9 (9) | 5 (14) | 4 (8) | |
| 24–48 | 8 (8) | 8 (22) | 6 (12) | |
| 48–96 | 4 (4) | 4 (11) | 33 (67) | |
| Age, years, median (IQR) | 15 (13–16) | 14 (13–15) | 14 (13–14) | 0.03 |
| Left laterality, n (%) | 47 (49) | 26 (72) | 32 (67) | 0.03 |
| Degrees of twist, median (IQR)* | 315 (180–540) | 360 (180–720) | 540 (360–720) | <0.001 |
| Ultrasound, n (%) | 21 (22) | 22 (61) | 4 (8) | <0.001 |
| Viability, n (%) | 90 (95) | 31 (86) | - | 0.14 |
| Atrophy, n (%) | 19 (24) | 23 (68) | - | <0.001 |
| Follow-up, months, median (IQR) | 2.2 (1.4–3.8) | 4.5 (2.1–12.5) | 2.6 (1.2–5.2) | 0.006 |
P-values from Kruskal-Wallis and Fisher’s exact tests for continuous and categorical variables, respectively.
*
Data on degrees of twist available for 38, 27, and 74 patients in orchiectomy, TVF, and detorsion groups, respectively.
IQR, interquartile range; TVF, tunica vaginalis flap