Table 1.
Clinicopathologic characteristics of 53 patients with renal masses undergoing metabolomics analysis. RCC: Renal cell carcinoma. BMI: Body Mass Index.
| Sample Group | Number of Sample (Urine and Serum) | Age at Surgery Range (Years) | Mean Age (Years) | Number of Men | Number of Women |
|---|---|---|---|---|---|
| Controls | 13 | 39–69 | 53.67 | 9 | 4 |
| All RCC | 40 | 36–84 | 61.89 | 23 | 17 |
| ccRCC | 37 | 36–84 | 62.49 | 22 | 15 |
| Papillary | 2 | 37–72 | 53.91 | 1 | 1 |
| Unclassified | 1 | 56 | 55.52 | - | 1 |
| Stage I (T1a: 22; T1b: 6) | 28 | 36–84 | 60.88 | 16 | 12 |
| Stage II | 1 | 46 | 45.52 | 1 | - |
| Stage III | 10 | 59–80 | 66.35 | 6 | 4 |
| Stage IV | 1 | 57 | 56.87 | - | 1 |
| Smokers | 20 | 50–84 | 62.91 | 14 | 6 |
| Non-smokers | 28 | 36–82 | 57.31 | 13 | 15 |
| Unknown smoking status | 5 | 62-69 | 65.30 | 4 | 1 |
| BMI 19–25 | 13 | 39–84 | 61.02 | 4 | 9 |
| BMI above 25 | 28 | 36–74 | 58.02 | 21 | 7 |
| BMI unknown | 12 | 45–80 | 63.94 | 7 | 5 |