Demographics and Clinical Characteristics of 27 Patients with 29 Renal Masses
| Parameter | Value |
| Median age (y) | 66 (IQR, 54–72) |
| Male sex (n) | 19 (70%) |
| Median body mass index (kg/m2) | 27 (IQR, 24–30) |
| Median Charlson comorbidity index | 4 (IQR, 3–6) |
| Tumor side, right | 15 (52%) |
| Median tumor maximal diameter (cm) | 3.7 (IQR, 2.7–4.8) |
| Clinical stage (n) | |
| Ia | 18 (62%) |
| Ib | 11 (38%) |
| Pathology (n) | |
| Clear cell RCC | 18 (62%) |
| Papillary RCC | 4 (14%) |
| Chromophobe RCC | 2 (7%) |
| Oncocytoma | 2 (7%) |
| Angiomyolipoma | 2 (7%) |
| Mixed epithelial and stromal tumor | 1 (3%) |