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%) | – | |