Table 1.
Characteristics of 29 patients with cutaneous angiosarcoma
| All patients (n = 29) | PD‐L1 positive (n = 22) | PD‐L1 negative (n = 7) | P value | |
|---|---|---|---|---|
| Age, y; mean ± SEM | 76 ± 12.7 | 77.8 ± 2.7 | 70.4 ± 4.7 | .39 |
| Sex | ||||
| Male | 18 (62.1) | 15 (68.2) | 3 (42.9) | .37 |
| Female | 11 (37.9) | 7 (31.8) | 4 (57.1) | |
| Primary tumor site | ||||
| Parietal | 25 (86.2) | 19 (86.4) | 6 (85.7) | 1.00 |
| Nonparietal | 4 (13.8) | 3 (13.6) | 1 (14.3) | |
| Stage | ||||
| I | 21 (72.4) | 16 (72.7) | 5 (71.4) | 1.00 |
| II | 5 (17.2) | 3 (13.6) | 2 (28.6) | .57 |
| III | 3 (10.3) | 3 (13.6) | 0 (0) | .56 |
| Therapy | ||||
| Chemotherapy | 24 (82.8) | 18 (81.8) | 6 (85.7) | 1.00 |
| Radiation therapy | 27 (93.1) | 20 (90.9) | 7 (100.0) | 1.00 |
| PD‐L1 positive (n = 22) | P value | ||
|---|---|---|---|
| PD‐1 positive (n = 10) | PD‐1 negative (n = 12) | ||
| Age, y; mean ± SEM | 80.1 ± 7.9 | 75.9 ± 9.2 | .27 |
| Sex | |||
| Male | 8 (80.0) | 7 (58.3) | .38 |
| Female | 2 (20.0) | 5 (41.7) | |
| Primary tumor site | |||
| Parietal | 10 (100.0) | 9 (75.0) | .22 |
| Nonparietal | 0 (0.0) | 3 (25.0) | |
| Stage | |||
| I | 8 (80.0) | 8 (66.7) | .65 |
| II | 1 (10.0) | 2 (16.7) | 1.00 |
| III | 1 (10.0) | 2 (16.7) | 1.00 |
| Therapy | |||
| Chemotherapy | 7 (70.0) | 11 (91.7) | .29 |
| Radiation therapy | 10 (100.0) | 10 (83.3) | .48 |
Data shown as n (%) unless otherwise indicated.