Table 1.
Baseline clinicopathological characteristics, stratified by histology
| Clear Cell (n=139) | Non-Clear Cell (n=53) | p-value | |
|---|---|---|---|
| Gender; Male (%) | 116 (83.5) | 37 (69.8) | 0.045 |
| Race (%) | 0.167 | ||
| Asian | 6 (4.3) | 0 (0.0) | |
| Black | 2 (1.4) | 3 (5.7) | |
| White | 112 (80.6) | 44 (83.0) | |
| Unknown | 19 (13.7) | 6 (11.3) | |
| BMI (median [IQR]) | 26.60 [24.22, 30.71] | 24.80 [21.92, 29.95] | 0.075 |
| Age (median [IQR]) | 60.25 [51.82, 67.41] | 58.67 [49.65, 63.89] | 0.182 |
| Smoking History; Yes (%) | 77 (55.4) | 26 (50.0) | 0.519 |
| No. of Metastatic Organs (median [IQR]) | 2.00 [1.00, 3.00] | 2.00 [1.00, 3.00] | 0.528 |
| Primary Tumor Stage (%) | 0.474 | ||
| T1 / T2 | 21 (14.5) | 5 (9.4) | |
| T3 / T4 | 118 (85.5) | 48 (90.6) | |
| Tumor Size (median [IQR]) | 10.00 [8.00, 11.90] | 9.40 [6.50, 14.00] | 0.871 |
| Node Status (%) | 0.016 | ||
| Involved | 59 (42.4) | 34 (64.2) | |
| Nx | 39 (28.1) | 12 (22.6) | |
| Not Involved | 41 (29.5) | 7 (13.2) | |
| Pretreated; Yes (%) | 11 (7.9) | 3 (5.7) | 0.761 |
| KPS < 80 | 16 (14.4) | 4 (9.8) | 0.593 |