Table 2.
Overall survival per clinical subtype.
| Clinical Subtype | No. (% of Total) | Median OS (95% CI) in Months | p-value |
|---|---|---|---|
| All | 478 (100) | 12.8 (10.1–15.5) | |
| Primary AS | 169 (35) | 7.2 (5.1–9.3) | |
| Visceral | 67 (14) | 2.2 (1.1–3.3) | 0.000 |
| Primary breast | 28 (6) | 32.5 (0.0–116.0) | |
| Skin (non UV associated) | 27 (6) | 15.1 (9.3–21.0) | |
| Deep soft tissue | 25 (5) | 13.1 (3.5–22.8) | |
| Heart and vessels | 12 (3) | 2.8 (1.4–4.2) | |
| Other | 10 (2) | 6.9 (0.0–14.3) | |
| Secondary AS | 259 (54) | 20.6 (16.1–25.1) | |
| Radiation associated | 163 (34) | 22.8 (17.3–28.2) | 0.260 |
| Skin (UV associated) | 79 (17) | 18.7 (10.3–27.1) | |
| Stewart Treves | 17 (4) | 17.8 (7.5–28.1) | |
| Unknown AS | 51 (11) | 3.7 (0.0–8.8) | NA |
OS = overall survival, CI = confidence interval.