Table 2. Perioperative data of patients in the short- and long-term radiation induced ureteral strictures.
| Variables | Short-term group | Long-term group | P value |
|---|---|---|---|
| N | 8 | 7 | – |
| Median age, mean ± SD (years) | 44.3±6.3 | 50.7±8.7 | 0.120 |
| BMI, mean ± SD (kg/m2) | 24.4±3.5 | 24.5±3.5 | 0.934 |
| Left stricture length, mean ± SD (cm) | 10.7±2.3 | 9.0±3.2 | 0.330 |
| Right stricture length, mean ± SD (cm) | 10.0±3.1 | 8.7±3.6 | 0.532 |
| DJ tube, median (range) (months) | 15 [2–72] | 12 [3–37] | 0.577 |
| Nephrostomy tube, median (range) (months) | 9 [4–22] | 5.5 [2–30] | 0.729 |
| Operation time, mean ± SD (min) | 307.8±55.1 | 282.3±65.5 | 0.445 |
| Blood loss, mean ± SD (mL) | 206.3±120.8 | 250.0±54.8 | 0.428 |
| Hospital stay, mean ± SD (days) | 14.0±2.2 | 20.6±10.1 | 0.049* |
| Postoperative creatinine, mean ± SD (μmol/L) | 89.3±23.1 | 97.4±37.2 | 0.612 |
| Postoperative eGFR, mean ± SD (mL/min/1.73 m2) | 73.1±23.9 | 67.4±27.3 | 0.677 |
| Success, n (%) | 8 (100.0) | 6 (85.7) | 0.467 |
| Complication, patients (%) | 3 (25.0) | 4 (42.9) | 0.429 |
| Minor | 3 | 2 | |
| Major | 0 | 2 |
*There is a significant difference between the two groups. BMI, body mass index; DJ, double “J”; Egfr, estimated glomerular filtration rate.