From: Should tumor depth be included in prognostication of soft tissue sarcoma?
 | High grade=III-IV | High grade=IV | ||
---|---|---|---|---|
 | RR | 95% CI | RR | 95% CI |
Large size | 2.4 | 1.5–3.7 | 2.6 | 1.7–4.0 |
Deep location | 1.3 | 0.86–1.8 | 1.4 | 0.96–2.0 |
High grade | 2.5 | 1.6–3.7 | 15 | 4.8–47 |