Table 1.
Demographic and Disease Characteristics for Subjects Included (n=370) and Excluded (n=200) from the Analysis Set.
| Subjects with Tumor Volume Measures and Complete Covariate Information (n=370) | Subjects Missing Tumor Volume or Other Covariate Data (n=200) | P-value | |
|---|---|---|---|
| Count (column %) | Count (column %) | ||
| Age (years) | 0.3 | ||
| <1 | 10 (3%) | 5 (3%) | |
| 1–9 | 255 (69%) | 126 (63%) | |
| 10+ | 105 (28%) | 69 (35%) | |
| Sex | 0.2 | ||
| Male | 224 (61%) | 133 (67%) | |
| Female | 146 (39%) | 67 (34%) | |
| Stage | <0.0001 | ||
| 1 | 35 ( 9%) | 49 (26%) | |
| 2 | 104 (28%) | 53 (28%) | |
| 3 | 231 (62%) | 88 (46%) | |
| Group | <0.0001 | ||
| I | 12 ( 3%) | 20 (11%) | |
| II | 32 ( 9%) | 45 (24%) | |
| III | 326 (88%) | 125 (66%) | |
| Primary Site | <0.0001 | ||
| Extremity | 68 (18%) | 21 (11%) | |
| GU/BP | 62 (17%) | 20 (11%) | |
| Parameningeal | 140 (38%) | 66 (35%) | |
| Retroperitoneal/Perineal | 49 (13%) | 20 (11%) | |
| Other | 51 (14%) | 62 (33%) | |
| Tumor Size | 0.003 | ||
| ≤ 5 cm | 146 (39%) | 99 (53%) | |
| >5 cm | 224 (61%) | 88 (47%) | |
| Tumor Invasion | 0.04 | ||
| T-1 | 172 (46%) | 103 (55%) | |
| T-2 | 198 (54%) | 84 (45%) | |
| Regional Lymph Nodes | 0.02 | ||
| N-0 | 309 (84%) | 143 (76%) | |
| N-1 | 61 (16%) | 45 (24%) | |
| Histology | 0.0001 | ||
| Embryonal | 183 (49%) | 62 (32%) | |
| Alveolar | 159 (43%) | 116 (60%) | |
| Undifferentiated | 8 (2%) | 9 ( 5%) | |
| RMS, NOS | 20 (5%) | 6 ( 3%) | |
| Strata (composite) | <0.0001 | ||
| Embryonal Stage 2/3 Group III | 157 (42%) | 46 (23%) | |
| ALV/UDS Stage 1 or Group I | 41 (11%) | 64 (32%) | |
| ALV/UDS other | 108 (29%) | 60 (30%) | |
| PM with extension | 64 (17%) | 30 (15%) |