Table 5 The characteristics of patients according to pneumoretroperitoneum time
Variables | PT < 210 min n = 41 (%) | PT ≥ 210 min n = 32 (%) | p-value | |
|---|---|---|---|---|
Age (years) | Median (IQR 25–75) | 75 (67–80) | 74 (67–78) | 0.4168 |
Gender | Male | 32 (78.0) | 24 (75.0) | 0.7865 |
Laterality | Right | 18 (43.9) | 19 (59.4) | 0.2405 |
Location of main tumor | Ureter | 19 (46.3) | 14 (43.8) | 1.0000 |
Hydronephrosis | Yes | 15 (36.6) | 9 (28.1) | 0.4655 |
Urine cytology | Positive | 15 (36.6) | 17 (53.1) | 0.2345 |
Urinary BTA | Positive | 12 (29.3) | 17 (53.1) | 0.1496 |
Urinary NMP22 | Positive | 20 (48.8) | 16 (50.0) | 1.0000 |
Diagnostic ureteroscopic biopsy | Yes | 15 (36.6) | 9 (28.1) | 0.4655 |
Multifocality | Multiple | 6 (14.6) | 5 (15.6) | 1.0000 |
Tumor size (cm) | ≥ 3 | 19 (46.3) | 14 (43.8) | 1.0000 |
Pathological T stage | ≥ 3 | 15 (36.6) | 10 (31.3) | 0.8041 |
Grade | 3 | 22 (53.7) | 14 (43.8) | 0.4818 |
LVI | Positive | 10 (24.3) | 8 (25.0) | 1.0000 |
INF | b, c | 30 (73.2) | 22 (68.8) | 0.7958 |
ASC | Yes | 13 (31.7) | 10 (31.3) | 1.0000 |