Table 1.
Demographics, tumor characteristics, and treatment for children with renal cell carcinoma. Other types of pathology include cyst associated, chromophobe, sarcomatoid, collecting duct type, granular cell, and medullary carcinoma. Variables with missing data are noted with adjusted total n. y = years, mi = miles, IQR = interquartile range, NOS = not otherwise specified.
| Variable (Total N = 304) | N (%) |
|---|---|
| Male | 159 (52%) |
| Age, y | |
| <5 | 23 (8%) |
| 5–8 | 40 (13%) |
| 9–13 | 98 (32%) |
| >13 | 143 (47%) |
| Race/ethnicity | |
| White | 166 (55%) |
| Black | 97 (32%) |
| Hispanic | 25 (8%) |
| Other | 12 (4%) |
| Missing | 4 |
| Insurance | |
| Private | 257 (90%) |
| Medicare/Medicaid | 21 (7%) |
| Uninsured | 8 (3%) |
| Missing | 18 |
| Distance to cancer center (mi) (IQR) | 16.1 (7.2, 36) |
| Tumor size | |
| ≤4 cm | 101 (36%) |
| 4.1–7 cm | 75 (27%) |
| 7.1–10 cm | 55 (20%) |
| >10 cm | 47 (17%) |
| Missing | 26 |
| Median tumor size, cm (IQR) | 5.5 (3, 8.9) |
| Histologic type | |
| Papillary | 48 (16%) |
| Clear cell | 38 (12%) |
| RCC NOS | 170 (56%) |
| Other | 48 (16%) |
| Pathologic stage | |
| I | 83 (39%) |
| II | 35 (16%) |
| III | 70 (33%) |
| IV | 26 (12%) |
| Missing | 90 |
| Surgical margins | |
| Negative | 232 (91%) |
| Positive margin | 22 (9%) |
| Missing | 50 |
| Positive nodes | 76 (30%) |
| Missing | 54 |
| Radiation | 12 (4%) |
| Missing | 4 |
| Chemotherapy | 58 (20%) |
| Missing | 9 |