Table 1. Baseline clinicopathologic features of liver cancer patients in SEER database.
| Characteristic | Total (%) |
Married (%) |
Divorced/ Separated(%) | Widowed (%) |
Single (%) |
P value |
|---|---|---|---|---|---|---|
| 40809 (100) | 21939 (53.8) | 5871 (14.4) | 4339 (10.6) | 8660 (21.2) | ||
| Gender | ||||||
| Male | 30456 (74.6) | 17474 (79.6) | 4496 (76.6) | 1631 (37.6) | 6855 (79.2) | < 0.001 |
| Female | 10353 (25.4) | 4465 (20.4) | 1375 (23.4) | 2708 (62.4) | 1805 (20.8) | |
| Age | ||||||
| ≤ 60 | 19203 (47.1) | 9704 (44.2) | 3309 (56.4) | 519 (12.0) | 5671 (65.5) | < 0.001 |
| > 60 | 21606 (52.9) | 12235 (55.8) | 2562 (43.6) | 3820 (88.0) | 2989 (34.5) | |
| Race | ||||||
| White | 27753 (68) | 14767 (67.3) | 4282 (72.9) | 3050 (70.3) | 5654 (65.3) | < 0.001 |
| Black | 5323 (13.0) | 1862 (8.5) | 970 (16.5) | 464 (10.7) | 2027 (23.4) | |
| Asian/Pacific Islander | 7093 (17.4) | 5022 (22.9) | 490 (8.3) | 759(17.5) | 822 (9.5) | |
| American Indian/Alaska Native |
479 (1.2) | 202 (0.9) | 105 (1.8) | 49 (1.1) | 123 (1.4) | |
| Unknown | 161 (0.4) | 86 (0.4) | 24 (0.4) | 17 (0.4) | 34 (0.4) | |
| Grade | < 0.001 | |||||
| High/Moderate | 10856 (26.6) | 6320 (28.8) | 1418 (24.2) | 1093(25.2) | 2025 (23.4) | |
| Poor/Undifferentiation | 4080 (10%) | 2392 (10.9) | 537 (9.1) | 442 (10.2) | 709 (8.2) | |
| Unknown | 25873 (63.4) | 13227 (60.3) | 3916 (66.7) | 2804 (64.6) | 5926 (68.4) | |
| Histotype | < 0.001 | |||||
| Hepatocellular carcinoma | 36397 (89.2) | 19347 (88.2) | 5403 (92.0) | 3622 (83.5) | 8025 (92.7) | |
| Cholangiocarcinoma | 4102 (10.1) | 2403 (11.0) | 428 (7.3) | 688 (15.9) | 583 (6.7) | |
| Combined | 310 (0.8) | 189 (0.9) | 40 (0.7) | 29 (0.7) | 52 (0.6) | |
| SEER stage | < 0.001 | |||||
| Localized | 18618 (45.6) | 10194 (46.5) | 2763 (47.1) | 1910 (44.0) | 3751 (43.3) | |
| Regional | 11908 (29.2) | 6418 (29.3) | 1702 (29.0) | 1160 (26.7) | 2628 (30.3) | |
| Distant | 7083 (17.4) | 3721(17.0) | 974 (16.6) | 757 (17.4) | 1631 (18.8) | |
| Unstaged | 3200 (7.8) | 1606 (7.3) | 432 (7.4) | 512 (11.8) | 650 (7.5) | |
| Therapy | < 0.001 | |||||
| Surgery, radiation or both | 11702 (28.7) | 7278 (33.2) | 1528 (26.0) | 872 (20.1) | 2024 (23.4) | |
| No surgery, radiation | 28422 (69.6) | 14311 (65.2) | 4223 (71.9) | 3384 (78.0) | 6504 (75.1) | |
| Unknown | 685 (1.7) | 350 (1.6) | 120 (2.0) | 83 (12.1) | 132 (1.5) |
Abbreviations
SEER, Surveillance, Epidemiology and End Results.