Table 1 Demographic, clinical, and socioeconomic characteristics of 4439 cases
Characteristic | Total (n = 4439) | Timely surgery (n = 1037) | Delayed surgery (n = 3402) | p-value |
|---|---|---|---|---|
Age at surgery (month), median (IQR) | 27 (19, 34) | 15 (13, 17) | 30 (24, 36) |  < 0.001 |
Average age (month), mean ± SE | 29.1 ± 16.7 | 14.7 ± 2.5 | 33.4 ± 16.7 |  < 0.001 |
Classification, n (%) | ||||
Distal-anterior | 336 (7.6) | 66 (6.4) | 270 (7.9) |  < 0.001 |
Intermediate-middle | 2095 (47.2) | 560 (54.0) | 1535 (45.1)a | |
Proximal-posterior | 2008 (45.2) | 411 (39.6) | 1597 (46.9) | |
Comorbidity, n (%) | ||||
Cryptorchidism | 295 (6.6) | 92 (8.9) | 203 (6.0) | 0.001 |
Hydrocele | 340 (7.7) | 81 (7.8) | 259 (7.6) | 0.834 |
Prostatic cyst | 167 (3.8) | 18 (1.7) | 149 (4.4) |  < 0.001 |
Penile dysplasia | 133 (3.0) | 47 (4.5) | 86 (2.5) | 0.001 |
Inguinal hernia | 111 (2.5) | 43 (4.1) | 68 (2.0) |  < 0.001 |
Chordee | 80 (1.8) | 15 (1.4) | 65 (1.9) | 0.325 |
Penoscrotal transposition | 47 (1.1) | 19 (1.8) | 28 (0.8) | 0.005 |
Other genital anomalies | 157 (3.5) | 38 (3.7) | 119 (3.5) | 0.799 |
Urinary system diseases | 41 (0.9) | 3 (0.3) | 38 (1.1) | 0.015 |
Medical insurance, n (%) | 3171 (71.4) | 720 (69.4) | 2451 (72.0) | 0.103 |
Poverty county residence, n (%) | 152 (3.4) | 20 (1.9) | 132 (3.9) | 0.002 |
Neighboring a main medical center, n (%) | 2126 (47.9) | 589 (56.8) | 1537 (45.2) |  < 0.001 |
Postoperative hospital stay (day), mean ± SEb | 7.13 ± 2.123 | 6.79 ± 1.987 | 7.24 ± 2.152 |  < 0.001 |
Hospital costs (CNY/USD), median (IQR) | 17,366.0 (14,650.3, 21,431.2) | 18,258.2 (16,037.7, 20,534.5) | 16,888.2 (16,142.2, 21,765.7) |  < 0.001 |