Variable | No PSM, n = 697 | PSM, n = 17 | P value |
---|---|---|---|
Age | 63.0 ± 12.8 | 66.7 ± 15 | 0.43 |
Gender | 0.82 | ||
Male Female | 429 (61) 268 (39) | 10 (59) 8 (41) | |
Co-morbidities | |||
HTN DM Hyperlipidemia IHD Smoking | 142 (20) 42 (6) 24 (3) 40 (6) 128 (18) | 7 (41) 1 (6) 0 (0) 3 (15) 3 (18) | 0.04 0.98 0.44 0.04 0.94 |
Central renal lesion | 117 (16.8) | 7 (41.2) | 0.01 |
Tumour size | 0.01 | ||
< 7 cm > 7 cm | 419 (60.1) 278 (39.9) | 6 (35) 11 (65) | |
Nuclear grade | 0.08 | ||
1 2 3 4 | 50 (7) 325 (47) 243 (35) 78 (11) | 0 (0) 10 (59) 7 (41) 0 (0) | |
Operative method | 0.6 | ||
Open Lap | 446 (67) 231 (33) | 15 (88) 2 (12) | |
Pathology | |||
Necrotic tumour Capsular invasion | 193 (28) 124 (18) | 14 (82) 8 (47) | 0.001 0.002 |
Tumour stage | 0.001 | ||
< T2 > T3 | 440 (63) 257 (37) | 0 (0) 17 (100) | |
RCC type | 0.26 | ||
Clear cell Chromophobe Papillary Other | 483 (80) 44 (7) 66 (11) 14 (2) | 13 (76) 0 (0) 4 (24) 0 (0) |