Research Article
The Effect of Marital Status on Survival of Patients with Gastrointestinal Stromal Tumors: A SEER Database Analysis
Table 1
Baseline demographic and tumor characteristics of patients in SEER database.
| | Total | Married | Widowed | Single | Divorced/separated | value | Characteristic | () | () | () | () | () | | | N (%) | N (%) | N (%) | N (%) | N (%) | |
| Sex | | | | | | <0.001 | Male | 3240 | 2273 (60.0) | 151 (19.9) | 553 (51.5) | 263 (45.7) | | Female | 2955 | 1514 (40.0) | 607 (80.1) | 521 (48.5) | 313 (54.3) | | Age | | | | | | <0.001 | ≤60 | 2777 | 1710 (45.2) | 54 (7.1) | 708 (65.9) | 305 (53.0) | | >60 | 3418 | 2077 (54.8) | 704 (92.9) | 366 (34.1) | 271 (47.0) | | Race | | | | | | <0.001 | White | 4237 | 2738 (72.3) | 510 (67.3) | 623 (58.0) | 366 (63.5) | | Black | 1102 | 460 (12.1) | 149 (19.7) | 332 (30.9) | 161 (28.0) | | Others | 856 | 589 (15.5) | 99 (13.1) | 119 (11.0) | 49 (8.5) | | Tumor site | | | | | | <0.001 | Stomach | 3794 | 2238 (59.4) | 523 (69.0) | 662 (61.6) | 371 (64.4) | | Small intestine | 1858 | 1199 (31.8) | 183 (24.1) | 317 (29.5) | 159 (27.6) | | Rectum | 174 | 116 (3.1) | 14 (1.8) | 33 (3.1) | 11 (1.9) | | Colon | 84 | 26 (0.7) | 11 (1.5) | 15 (1.4) | 10 (1.7) | | Others | 285 | 186 (4.9) | 27 (3.6) | 47 (4.4) | 25 (4.3) | | Tumor size | | | | | | 0.029 | ≤2 cm | 412 | 268 (7.1) | 47 (6.2) | 66 (6.1) | 31 (5.4) | | 2–5 cm | 1354 | 826 (21.8) | 175 (23.1) | 222 (20.7) | 131 (22.7) | | 5–10 cm | 1579 | 980 (25.9) | 189 (24.9) | 270 (25.1) | 140 (24.3) | | >10 cm | 1236 | 740 (19.5) | 123 (16.2) | 253 (23.6) | 120 (20.8) | | Unknown | 1614 | 973 (25.7) | 224 (29.6) | 263 (24.5) | 154 (26.7) | | Grade | | | | | | 0.043 | I/II | 1209 | 767 (20.3) | 133 (17.5) | 199 (18.5) | 110 (19.1) | | III/IV | 631 | 410 (10.8) | 61 (8.0) | 111 (10.3) | 49 (8.5) | | Unknown | 4355 | 2610 (68.9) | 564 (74.4) | 764 (71.1) | 417 (72.4) | | SEER stage | | | | | | 0.121 | Localized | 3692 | 2306 (60.9) | 458 (60.4) | 599 (55.8) | 329 (57.1) | | Regional | 826 | 499 (13.2) | 91 (12.0) | 159 (14.8) | 77 (13.4) | | Distant | 1234 | 719 (19.0) | 149 (19.7) | 237 (22.1) | 129 (22.4) | | Unknown | 443 | 263 (6.9) | 60 (7.9) | 79 (7.4) | 41 (7.1) | | Therapy | | | | | | <0.001 | Surgery | 5055 | 3164 (83.5) | 585 (77.2) | 850 (79.1) | 456 (79.2) | | No surgery | 2256 | 613 (16.2) | 173 (22.8) | 223 (20.8) | 119 (20.7) | | Unknown | 36 | 10 (0.3) | 0 (0) | 1 (0.1) | 1 (0.2) | |
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Others include American Indian/Alaska Native and Asian/Pacific Islander. |