Table 4.
Characteristics of male patients with breast cancer by marital status, in 1: 1 matched groups.
| Characteristic (%) | Total (%) | Married (%) | Unmarried (%) | P value |
|---|---|---|---|---|
| 2098 (100.0) | 1049 (100.0) | 1049 (100.0) | ||
| Age | 0.088 | |||
| <50 | 349 (16.6) | 189 (18.0) | 160 (15.3) | |
| 50–64 | 686 (32.7) | 323 (30.8) | 363 (34.6) | |
| ≥65 | 1063 (50.7) | 537 (51.2) | 526 (50.1) | |
| Race | 0.633 | |||
| White | 1649 (78.6) | 830 (79.1) | 819 (78.1) | |
| Black | 372 (17.7) | 177 (16.9) | 195 (18.6) | |
| Other | 67 (3.2) | 36 (3.4) | 31 (3.0) | |
| Unknown | 10 (0.5) | 6 (0.6) | 4 (0.4) | |
| Residence type | 0.599 | |||
| Metropolitan | 1861 (88.7) | 924 (88.1) | 937 (89.3) | |
| Non-metropolitan | 227 (10.8) | 119 (11.3) | 108 (10.3) | |
| Unknown | 10 (0.5) | 6 (0.6) | 4 (0.4) | |
| Histology | 0.929 | |||
| Ductal | 1818 (86.7) | 908 (86.6) | 910 (86.7) | |
| Lobular | 9 (0.4) | 4 (0.4) | 5 (0.5) | |
| Others | 271 (12.9) | 137 (13.1) | 134 (12.8) | |
| Grade | 0.649 | |||
| Well/moderately differentiated | 1246 (59.4) | 619 (59.0) | 627 (59.8) | |
| Poorly/undifferentiated | 701 (33.4) | 349 (33.3) | 352 (33.6) | |
| Unknown | 151 (7.2) | 81 (7.7) | 70 (6.7) | |
| Pathologic T stage | 0.706 | |||
| T0–T1 | 563 (26.8) | 280 (26.7) | 283 (27.0) | |
| T2 | 747 (35.6) | 365 (34.8) | 382 (36.4) | |
| T3 | 100 (4.8) | 48 (4.6) | 52 (5.0) | |
| Unknown | 688 (32.8) | 356 (33.9) | 332 (31.6) | |
| Pathologic N stage | 0.756 | |||
| N0 | 958 (45.7) | 494 (47.1) | 464 (44.2) | |
| N1 | 539 (25.7) | 260 (24.8) | 279 (26.6) | |
| N2 | 207 (9.9) | 100 (9.5) | 107 (10.2) | |
| N3 | 125 (6.0) | 62 (5.9) | 63 (6.0) | |
| Unknown | 269 (12.8) | 133 (12.7) | 136 (13.0) | |
| ER status | 0.732 | |||
| Negative | 26 (1.2) | 15 (1.4) | 11 (1.0) | |
| Positive | 2070 (98.7) | 1033 (98.5) | 1037 (98.9) | |
| Unknown | 2 (0.1) | 1 (0.1) | 1 (0.1) | |
| PR status | 0.397 | |||
| Negative | 237 (11.3) | 128 (12.2) | 109 (10.4) | |
| Positive | 1812 (86.4) | 898 (85.6) | 914 (87.1) | |
| Unknown | 49 (2.3) | 23 (2.2) | 26 (2.5) | |
| HER2 status | 0.418 | |||
| Negative | 688 (32.8) | 356 (33.9) | 332 (31.6) | |
| Positive | 93 (4.4) | 49 (4.7) | 44 (4.2) | |
| Unknown | 1317 (62.8) | 664 (61.4) | 673 (64.2) | |
| Surgery | 0.792 | |||
| No | 68 (3.2) | 32 (3.1) | 36 (3.4) | |
| Yes | 1813 (86.4) | 905 (86.3) | 908 (86.6) | |
| Unknown | 217 (10.3) | 112 (10.7) | 105 (10.0) | |
| Radiation | 1.000 | |||
| No | 1550 (73.9) | 775 (73.9) | 775 (73.9) | |
| Yes | 548 (26.1) | 274 (26.1) | 274 (26.1) |
ER – estrogen receptor; HER2 – human epidermal growth factor receptor 2; PR – progesterone receptor.