Table 1.
Patient demographics, tumor clinicopathologic features
| Control (n = 95) | Cancer (n = 39) | p value (cancer vs control) | Pancreatitis (n = 8) | |
|---|---|---|---|---|
| Average age, years (range) | 65.5 (21–96) | 60.1 (29–83) | 0.059 | 46.6 (29–70) |
| Gender | ||||
| Male (%) | 41 (43%) | 26 (67%) | 0.013 | 4 (50%) |
| Female (%) | 54 (57%) | 13 (33%) | 4 (50%) | |
| Race | ||||
| White (%) | 22 (23%) | 34 (87%) | 6 (78%) | |
| Black (%) | 72 (76%) | 2 (5%) | < 0.05 | 1 (11%) |
| Others (%) | 0 (0%) | 3 (8%) | 1 (11%) | |
| Not specified (%) | 1 (1%) | 0 (0%) | 0 (0%) | |
| CA 19-9 level* | – | n = 34 | N/A | n = 1 |
| Average | – | 665.3 | – | |
| Median | – | 47.6 | – | |
| Highest | – | 12,302.5 | – | |
| Lowest | – | 1 | 16.1 | |
| Smoking status | n = 95 | n = 39 | n = 8 | |
| Never | 38 (40%) | 22 (56%) | 5 (63%) | |
| Former | 40 (42%) | 10 (26%) | 0.159 | 3 (38%) |
| Current | 16 (17%) | 7 (18%) | 0 (0%) | |
| Not specified | 1 (1%) | 0 (0%) | 0 (0%) | |
| Average tumor size (range, cm)** | – | 3.2 (0.9–8) | N/A | – |
| Differentiation | n = 39 | N/A | ||
| Well | – | 1 (3%) | – | |
| Moderate | – | 17 (44%) | – | |
| Poor | – | 12 (31%) | – | |
| Undifferentiated | – | 2 (5%) | – | |
| Not specified | – | 7 (18%) | – | |
*CA 19-9: five values unavailable for PDAC patient and four unavailable for pancreatitis
**Tumor size: three PDAC, no resection done, N/A: Not applicable