Table 1.
Characteristics of the study population (n = 73)
| Parameter | |
|---|---|
| Mean age (y) | 63 ± 11.4 [24–81] |
| Gender (M/F) | 26 (36%) / 47 (64%) |
| Race/Ethnicity | |
| Caucasian | 39 (53%) |
| Asian | 21 (29%) |
| Hispanic | 7 (10%) |
| African American | 5 (7%) |
| Unknown | 1 (1%) |
| Underlying liver disease (n = 21) | |
| HBV | 11 (52%) |
| HCV | 7 (33%) |
| Recurrent pyogenic cholangitis | 3 (15%) |
| Cirrhosis | 3 |
| Serum CA 19–9 (U/mL) | 4799.8 ± 23,672.4 [1–177,450] |
| Mean lesion size on imaging (cm) | 6.8 ± 3.4 [1.4–16.0] |
| Pathologic tumor grade | |
| Well differentiated (G1) | 0 (0%) |
| Moderately differentiated (G2) | 34 (47%) |
| Poorly differentiated (G3) | 36 (49%) |
| Unavailable | 3 (4%) |
| Lymph node metastasis | 18 (25%) |
| AJCC (8th edition) Tumor Stage | |
| Stage 1 | 17 (23%) |
| Stage 2 | 24 (33%) |
| Stage 3 | 32 (44%) |
Unless otherwise indicated, data are numbers of patients and data in parentheses are percentages (percent relative to total number in the respective subgroup). Numbers in brackets represent the lower and upper limits of range