Table 5 Comparison of clinicopathological factors of patients with organ confined RCC without synchronous metastases who underwent nephrectomy by cause of death
N | Death from RCC (%) | Did not die from RCC (%) | p-value* | |
|---|---|---|---|---|
Mean age | 370 | 62 (±13) | 62 (±12) | 0.62 |
Gender | ||||
Male | 227 | 41 (18) | 186 (82) | 0.67 |
Female | 143 | 23 (16) | 120 (84) | |
Year of diagnosis | < 0.001 | |||
1971–1975 | 26 | 8 (31) | 18 (79) | |
1976–1980 | 27 | 9 (33) | 18 (67) | |
1981–1985 | 45 | 10 (22) | 35 (88) | |
1986–1990 | 36 | 10 (28) | 26 (82) | |
1991–1995 | 59 | 12 (20) | 47 (75) | |
1996–2000 | 79 | 9 (11) | 72 (89) | |
2001–2005 | 96 | 6 (8) | 90 (92) | |
Diagnosis | < 0.001 | |||
Incidental | 165 | 18 (11) | 147 (89) | |
Symptomatic | 205 | 46 (22) | 159 (78) | |
Laterality** | 0.004 | |||
Right kidney | 205 | 28 (14) | 177 (86) | |
Left kidney | 165 | 36 (22) | 129 (78) | |
Mean ESR (mm/h) | 21.0 (±24) | 38.8 (±40) | < 0.001 | |
T stage | < 0.001 | |||
T1a | 144 | 7 (5) | 137 (95) | |
T1b | 124 | 22 (18) | 102 (82) | |
T2a | 76 | 24 (32) | 52 (68) | |
T2b | 26 | 11 (42) | 15 (58) | |
Tumor size (cm) | 5.1 (±2.9) | 7.6 (±3.1) | < 0.001 | |
Histological RCC subtype | 0.21 | |||
Clear cell | 315 | 56 (18) | 256 (82) | |
Papillary | 42 | 8 (19) | 34 (81) | |
Chromophobe | 11 | 0 (0) | 11 (100) | |
Other | 2 | 0 (0) | 2 (0) | |
Nuclear grade | < 0.001 | |||
I - II | 299 | 40 (14) | 259 (85) | |
III - IV | 71 | 24 (34) | 47 (66) |