Table 5.
Univariate and multivariate logistic regression analysis for patients with Ewing sarcoma by lung metastasis
| Characteristic | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Age | ||||
| < 30 | Reference | NI | ||
| > 30 | 0.942 (0.539–1.645) | 0.833 | ||
| Race | ||||
| White | Reference | NI | ||
| Black | 1.509 (0.589–3.927) | 0.399 | ||
| Other1 | 0.497 (0.192–0.288) | 0.150 | ||
| Unknown | 4.276 (0.595–30.728) | 0.149 | ||
| Gender | ||||
| Male | Reference | |||
| Female | 1.205 (0.787–1.845) | 0.391 | NI | |
| Primary site | ||||
| Extremity | Reference | |||
| Axial | 1.232 (0.811–1.871) | 0.329 | NI | |
| Grade | ||||
| Low grade | Reference | |||
| High grade | NA | 0.999 | NI | |
| Unknown | NA | 0.999 | ||
| Tumor size | ||||
| < 5 | Reference | Reference | ||
| > 5 | 5.213 (2.052–13.245) | 0.001 | 5.213 (2.052–13.245) | 0.001 |
| Unknown | 5.820 (2.149–15.764) | 0.001 | 5.820 (2.149–15.764) | 0.001 |
OR odds ratio, CI confidence interval, NI not included. n = 592
1Including American Indian/Alaska Native, Asian/Pacific Islander