Table 1.

Summary of clinical and pathologic features for 743 ccRCC patients

Featuren (%)
Age at surgery (y)
    <65378 (50.9)
    ≥65265 (49.1)
Gender
    Female267 (35.9)
    Male476 (64.1)
Symptoms at presentation
    No264 (35.5)
    Yes479 (64.5)
Constitutional symptoms at presentation
    No545 (73.4)
    Yes198 (26.7)
ECOG performance status
    0672 (90.4)
    ≥171 (9.6)
Tumor thrombus
    None598 (80.5)
    Level 075 (10.1)
    Level I-IV70 (9.4)
Primary tumor size (cm)
    <5238 (32.0)
    5-<7158 (21.3)
    7-<10165 (22.2)
    ≥10182 (24.5)
2002 Primary tumor classification
    pT1a179 (24.1)
    pT1b202 (27.2)
    pT2150 (20.2)
    pT3a63 (8.5)
    pT3b128 (17.2)
    pT3c12 (1.6)
    pT49 (1.2)
Regional lymph node involvement
    pNX and pN0712 (95.8)
    pN1 and pN231 (4.2)
Distant Metastases
    pM0661 (89.0)
    pM182 (11.0)
2002 TNM stage groupings
    I366 (49.3)
    II123 (16.6)
    III161 (21.7)
    IV93 (12.5)
Nuclear grade
    150 (6.7)
    2333 (44.8)
    3295 (39.7)
    465 (8.8)
Coagulative tumor necrosis
    No521 (70.1)
    Yes222 (29.9)
Sarcomatoid differentiation
    No705 (94.9)
    Yes38 (5.1)