表 1.
患者的基线临床、病理和影像学资料
Baseline clinical, pathological and radiological information of the patients
| Variables | Total (n=507) | cT1a (n=322) | cT1b (n=185) | Z/χ2 | P |
| cT1a, clinical T1a; cT1b, clinical T1b; BMI, body mass index; LN, lymph node; RN, radical nephrectomy; PN, partial nephrectomy; WHO, World Health Organization; ISUP, International Society of Urological Pathology; RSI, renal sinus invasion; PFI, perinephric fat invasion. R.E.N.A.L., radius, exophytic/endophytic, nearness, anterior/posterior, location. | |||||
| Age/years, M (P25, P75) | 59.0 (48.0, 65.0) | 56.5 (47.0, 64.3) | 60.0(51-66) | -2.206 | 0.027 |
| Gender, n(%) | 0.001 | 0.972 | |||
| Male | 354 (69.8) | 225 (69.9) | 129 (69.7) | ||
| Female | 153 (30.2) | 97 (30.1) | 56 (30.3) | ||
| BMI/(kg/m2), M (P25, P75) | 25.5(23.2, 27.9) | 25.1(22.8, 27.9) | 26.0(24.1-27.9) | -2.033 | 0.042 |
| Complains, n(%) | 1.399 | 0.237 | |||
| Hematuria | 18 (3.6) | 9 (2.8) | 9 (4.9) | ||
| Non-hematuria | 482 (96.4) | 309 (97.2) | 175 (95.1) | ||
| Tumor side, n(%) | 0.001 | 0.981 | |||
| Right | 247 (48.7) | 157 (48.8) | 90 (48.6) | ||
| Left | 260 (51.3) | 165 (51.2) | 95 (51.4) | ||
| Tumor size/cm, M (P25, P75) | 3.5 (2.5, 4.6) | 2.7 (2.1, 3.4) | 5.0(4.4-5.9) | -18.761 | < 0.001 |
| R.E.N.A.L. score, M (P25, P75) | 8 (6, 9) | 6 (5, 8) | 9 (8-10) | 169.419 | < 0.001 |
| Border, n(%) | -2.483 | 0.013 | |||
| Regular | 359 (70.8) | 272 (84.5) | 87 (47.0) | ||
| Irregular | 148 (29.2) | 50 (15.5) | 98 (53.0) | ||
| LN enlargement，n(%) | 1.008 | 0.315 | |||
| No | 488 (96.3) | 312 (96.9) | 176 (95.1) | ||
| Yes | 19 (3.7) | 10 (3.1) | 9 (4.9) | ||
| Surgical strategy, n(%) | 185.390 | < 0.001 | |||
| RN | 186 (36.7) | 47 (14.6) | 139 (75.1) | ||
| PN | 321 (63.3) | 275 (85.4) | 46 (24.9) | ||
| Histology, n(%) | 4.735 | 0.860 | |||
| Clear cell | 431 (85.0) | 275 (85.4) | 156 (84.3) | ||
| Papillary | 22 (4.3) | 11 (3.4) | 11 (6.0) | ||
| Chromophobe | 21 (4.1) | 13 (4.0) | 8 (4.3) | ||
| Others | 33 (6.5) | 23 (7.1) | 10 (5.4) | ||
| WHO/ISUP grade, n(%) | 6.106 | 0.013 | |||
| Ⅰ-Ⅱ | 393 (84.1) | 256 (87.4) | 137 (78.7) | ||
| Ⅲ-Ⅳ | 74 (15.8) | 37 (12.6) | 37 (21.3) | ||
| RSI, n(%) | 59.293 | < 0.001 | |||
| Yes | 75 (14.8) | 18 (5.6) | 57 (30.8) | ||
| No | 432 (85.2) | 304 (94.4) | 128 (69.2) | ||
| PFI, n(%) | 6.058 | 0.014 | |||
| Yes | 19 (3.7) | 7 (2.2) | 12 (6.5) | ||
| No | 488 (96.3) | 315 (97.8) | 173 (93.5) | ||