Table 1 Comparison of clinical characteristics in patients with cyst rupture (CR) and without CR
Variables | nonCR | CR | p-value |
|---|---|---|---|
No. of patients | 374 | 32 | Â |
No. of recurrence (%) | 5 (1.3) | 4 (12.5) | 0.003 |
Mean ± SD age (range) (years) | 52.94 ± 13.37 (15–85) | 54.91 ± 12.78 (30–83) | 0.423 |
Mean ± SD BMI (range) (kg/m2) | 24.61 ± 3.40 (16.2–36.2) | 23.92 ± 3.18 (18.8–29.8) | 0.273 |
Mean ± SD RENAL score | 7.18 ± 1.66 (4–11) | 7.28 ± 1.63 (4–10) | 0.752 |
Mean ± SD tumor size (cm) | 2.94 ± 1.21 (1.0–8.0) | 3.42 ± 1.77 (1.5–8.0) | 0.139 |
No. of hypertension (%) | 120 (32.1) | 9 (28.1) | 0.664 |
No. of diabetes (%) | 55 (14.7) | 8 (25.0) | 0.147 |
No. of smoking (%) | 67 (17.9) | 7 (21.9) | 0.578 |
Mean ± SD eGFR (range) (ml/min) | 104.84 ± 11.3 (73–119) | 101.85 ± 10.31 (75–118) | 0.147 |
No. gender (%) | Â | Â | 0.490 |
 Male | 278 (74.3) | 22 (68.8) |  |
 Female | 96 (25.7) | 10 (31.3) |  |
No. of tumor location (%) | Â | Â | 0.107 |
 Left kidney | 184 (49.2) | 11 (34.4) |  |
 Right kidney | 190 (50.8) | 21 (65.6) |  |
No. of Bosniak classification (%) | Â | Â | < 0.001 |
 IIF | 27 (7.2) | 8 (25.0) |  |
 III | 174 (46.5) | 20 (62.5) |  |
 IV | 173 (46.3) | 4 (12.5) |  |
No. of surgical approach (%) | Â | Â | 0.119 |
 OPN | 216 (57.8) | 23 (71.9) |  |
 MIPN | 158 (42.2) | 9 (28.1) |  |
No. of Fuhrman classification (%)a | Â | Â | 0.258 |
 I | 40 (12.1) | 5 (23.8) |  |
 II | 272 (82.2) | 15 (71.4) |  |
 III | 19 (5.7) | 1 (4.8) |  |
 IV | 0 | 0 |  |
No. of pathological type (%) | Â | Â | < 0.001 |
 ccRCC | 298 (79.7) | 14 (43.8) |  |
 MCRNLMP | 36 (9.6) | 6 (18.8) |  |
 pRCC | 15 (4) | 5 (15.6) |  |
 cRCC | 12 (3.2) | 2 (6.3) |  |
 othersb | 13 (3.5) | 5 (15.6) |  |
No. of malignant potential (%)c | Â | Â | 0.001 |
 High aggressiveness | 304 (81.3) | 18 (56.3) |  |
 Low aggressiveness | 70 (18.7) | 14 (43.8) |  |