Table 1.
The characteristics of the included intrahepatic cholangiocarcinoma patients.
| Variables | N (%) |
|---|---|
| Age | |
| < 65 | 2219 (48.3%) |
| ≥ 65 | 2376 (51.7%) |
| Sex | |
| Female | 2261 (49.2%) |
| Male | 2334 (50.8%) |
| Race | |
| Black | 391 (8.5%) |
| White | 3555 (77.4%) |
| API/AI | 649 (14.1%) |
| Marital status | |
| Unmarried | 1805 (39.3%) |
| Married | 2790 (60.7%) |
| Insured status | |
| Uninsured/unknown | 793 (17.3%) |
| Any medicaid/insured | 3802 (82.7%) |
| Year at diagnosis | |
| 2004–2007 | 918 (20.0%) |
| 2008–2011 | 1419 (30.9%) |
| 2012–2015 | 2258 (49.1%) |
| Grade | |
| Grade I/II | 1131 (24.6%) |
| Grade III/IV | 918 (20.0%) |
| Unknown | 2546 (55.4%) |
| Tumor size | |
| < 5 cm | 1035 (22.5%) |
| ≥ 5 cm | 1993 (43.4%) |
| Unknown | 1567 (34.1%) |
| AJCC stage | |
| I | 821 (17.9%) |
| II | 307 (6.7%) |
| III | 1239 (27.0%) |
| IV | 2228 (48.5%) |
| Surgery | |
| No surgery | 3637 (79.2%) |
| Local tumor excision/segmental resection | 468 (10.2%) |
| Lobectomy/hepatectomy | 490 (10.7%) |
| Chemotherapy | |
| No/unknown | 2127 (46.3%) |
| Yes | 2468 (53.7%) |
| Radiotherapy | |
| No/unknown | 3899 (84.9%) |
| Yes | 696 (15.1%) |
API/AI American Indian/AK Native, Asian/Pacific Islander.