Table 1.
Demographics and Baseline Characteristics in Patients With PMCTs
| Variable | Female | Male | P Value |
|---|---|---|---|
| Age, y, mean±SD | 57.5±19.1 | 52.6±18.5 | 0.001 |
| Age group | |||
| 18–50 | 115 (35.2) | 183 (49.9) | 0.001 |
| 51–65 | 87 (26.6) | 84 (22.9) | |
| 66–80 | 84 (25.7) | 64 (17.4) | |
| >80 | 41 (12.5) | 36 (9.8) | |
| Race | |||
| White | 254 (77.7) | 291 (79.3) | 0.583 |
| Black | 34 (10.4) | 41 (11.2) | |
| Others | 39 (11.9) | 35 (9.5) | |
| Region | |||
| Northeastern | 51 (15.6) | 42 (11.4) | 0.233 |
| Midwestern | 46 (14.1) | 42 (11.4) | |
| Western | 178 (54.4) | 221 (60.2) | |
| Southern | 52 (15.9) | 62 (68.9) | |
| SEER historic stages | |||
| Localized | 70 (21.4) | 68 (18.5) | 0.738 |
| Regional | 65 (19.9) | 71 (19.4) | |
| Distant | 84 (25.7) | 95 (25.9) | |
| Unstaged | 108 (33.0) | 133 (36.2) | |
| Staging | |||
| I | 31 (9.5) | 38 (10.4) | 0.432 |
| II | 29 (8.9) | 23 (6.3) | |
| III | 19 (5.8) | 25 (6.8) | |
| IV | 72 (22.0) | 67 (18.3) | |
| Unknown | 176 (53.8) | 214 (58.3) | |
| Type of tumor | |||
| Lymphoma | 78 (23.9) | 100 (27.3) | 0.748 |
| Sarcoma | 202 (61.8) | 213 (58.0) | |
| Mesothelioma | 19 (5.8) | 21 (5.7) | |
| Other | 28 (8.6) | 33 (9.0) | |
| Radiation | |||
| Yes | 59 (18.0) | 66 (18.0) | 1.00 |
| No | 268 (82.0) | 301 (82.0) | |
| Surgery | |||
| Yes | 165 (50.5) | 158 (43.1) | 0.051 |
| No | 162 (49.5) | 209 (57.0) | |
| Radiation and surgery | 36 (11.0) | 39 (10.6) | 0.871 |
| Diagnostic confirmation | |||
| Histology | 287 (87.8) | 319 (86.9) | 0.814 |
| Cytology | 25 (7.7) | 27 (7.4) | |
| Clinical | 4 (1.2) | 3 (0.8) | |
| Direct visualization | 0 (0.0) | 1 (0.3) | |
| Radiography only | 8 (2.5) | 14 (3.8) | |
| Unknown | 3 (0.9) | 3 (0.8) | |
| Survival | |||
| Alive | 49 (15.0) | 65 (17.7) | 0.333 |
| Dead | 278 (85.0) | 302 (82.3) | |
| Histopathology | |||
| Lymphoma | 78 (43.8) | 100 (56.2) | 0.102 |
| Sarcoma | 202 (48.7) | 213 (51.3) | 0.588 |
| Mesothelioma | 19 (47.5) | 21 (52.5) | 0.752 |
| Other | 28 (45.9) | 33 (54.1) | 0.523 |
Data are shown as n (%) except as noted. PMCT indicates primary malignant cardiac tumor; SEER, Surveillance, Epidemiology, and End Results.