Table 1.
Baseline Characteristics of Patients
| Variable | Value |
|---|---|
| Age, yr | 62 (56–67) |
| Sex | |
| Male | 59 (50.4) |
| Female | 58 (49.6) |
| Body mass index, kg/m2 | 22.8 (20.7–24.1) |
| ECOG performance status | |
| 0 | 48 (41.0) |
| 1 | 67 (57.3) |
| 2 | 2 (1.7) |
| Initial imaging modality | |
| CT | 111 (94.9) |
| MRI | 62 (53.0) |
| PET | 48 (41.0) |
| Tumor location | |
| Head | 58 (49.6) |
| Body | 51 (43.6) |
| Tail | 8 (6.8) |
| Tumor size (cm) | 3.5 (2.9–4.6) |
| Node involvement | 19 (16.2) |
| Vascular involvement | |
| Arterial involvement | 103 (88.0) |
| Venous involvement | 90 (76.9) |
| Resectability classification | |
| Borderline resectable | 39 (33.3) |
| Locally advanced | 78 (66.7) |
| Serum CA 19-9, U/mL | 470.0 (66.3–1,877.0) |
| Biliary drainage | 29 (24.8) |
Data are presented as median (interquartile range) or number (%).
ECOG, Eastern Cooperative Oncology Group; CT, computed tomography; MRI, magnetic resonance imaging; PET, positron emission tomography; CA 19-9, carbohydrate antigen 19-9.