Table 1. Baseline characteristics of the overall population.
| Characteristics | All Patients n = 913 Frequency (%) |
Best Supportive Care n = 284 Frequency (%) |
Palliative Chemotherapy n = 274 Frequency (%) |
Surgery n = 355 Frequency (%) |
|---|---|---|---|---|
| Female | 452 (50%) | 160 (56%) | 131 (48%) | 161 (45%) |
| Age, years | ||||
| median (range) | 65.7 (23.7 – 93.7) | 68.6 (28.1 – 89.4) | 62.0 (23.7 – 93.7) | 65.8 (26.6 – 86.4) |
| <70 | 592 (65%) | 154 (54%) | 206 (75%) | 232 (65%) |
| ≥70 | 321 (35%) | 130 (46%) | 68 (25%) | 123 (35%) |
| Site | ||||
| Distal Bile Duct | 212 (23%) | 58 (20%) | 53 (19%) | 101 (28%) |
| Gallbladder | 310 (34%) | 121 (43%) | 86 (31%) | 103 (29%) |
| Intrahepatic | 200 (22%) | 54 (19%) | 74 (27%) | 72 (20%) |
| Perihilar | 191 (21%) | 51 (18%) | 61 (22%) | 79 (22%) |
| ECOG PS | ||||
| <2 | 795 (90%) | 208 (77%) | 249 (92%) | 338 (97%) |
| ≥2 | 92 (10%) | 61 (23%) | 22 (8%) | 9 (3%) |
| Missing | 26 | 15 | 3 | 8 |
| Stage | ||||
| I | 137 (15%) | 31 (11%) | 9 (3%) | 97 (27%) |
| II | 178 (20%) | 34 (12%) | 14 (5%) | 130 (37%) |
| III | 159 (17%) | 37 (13%) | 31 (11%) | 91 (26%) |
| IV | 435 (48%) | 180 (64%) | 219 (80%) | 36 (10%) |
| Missing | 4 | 2 | 1 | 1 |
| CCI | ||||
| 0 | 579 (64%) | 158 (57%) | 188 (69%) | 233 (66%) |
| 1 | 198 (22%) | 72 (26%) | 58 (21%) | 68 (19%) |
| ≥2 | 122 (14%) | 45 (16%) | 27 (10%) | 50 (14%) |
| Missing | 14 | 9 | 1 | 4 |
Abbreviations: ECOG PS: European Cooperative Oncology Group Performance Status; CCI: Charlson Co-morbidity index;