Table 2 Comparison of clinical and pathological features of young (YP) and elderly (OP) RCC patients.
YP (70 patients) No. (%) | OP (150 patients) No. (%) | p Value | |
|---|---|---|---|
Sex | < 0.001 | ||
Female | 17 (24%) | 86 (57%) | |
Male | 53 (76%) | 64 (43%) | |
Sex ratio (male/female) | 3.1 | 0.7 | |
Clinical presentation | p = 0.19 | ||
Symptomatic | 20 (28.4%) | 52 (34,5%) | |
Asymptomatic | 50 (71.6%) | 98 (65.5%) | |
WHO 2002 stage of primary tumor | p = 0.03 | ||
pT1- pT2, N0, M0 | 60 (85.7%) | 101 (67.3%) | |
pT3, N0, M0 | 7 (10.0%) | 29 (19.3%) | |
pT4 and/or N+, and/or M+ | 3 (4.3%) | 20 (13.4%) | |
Tumor grade | p = 0.01 | ||
Grade 1 | 24 (34,3%) | 24 (16.0%) | |
Grade 2 | 35 (50.0%) | 110 (73.3%) | |
Grade 3 | 11 (15.7%) | 16 (10.7%) | |
RCC subtypes: | p = 0.32 | ||
Clearcell RCC | 47 (67.2%) | 98 (65.3%) | |
Papillary RCC | 13 (18.6%) | 29 (19.4%) | |
Chromophobe RCC | 5 (7.1%) | 16 (10.7%) | |
Other histological types | 5 (7.1%) | 7 (4.6%) |