Table 5. Demographic characteristics of study groups.
| Study group | n | Age (years) | Sex (male/female) |
|---|---|---|---|
| AIP | 61 | 57 (27–83) | 51/10 |
| Pancreatic cancer | 74 | 58 (29–79) | 58/16 |
| Acute pancreatitis | 50 | 42 (14–78) | 22/28 |
| Ordinary chronic pancreatitis | 40 | 52 (8–78) | 28/12 |
| Miscellaneous pancreatic diseasesa | 15 | 46 (26–77) | 6/9 |
| Normal pancreas | 98 | 46 (33–56) | 57/41 |
aMiscellaneous pancreatic diseases included 4 patients with pancreatic cysts, 7 patients with pancreatic neuroendocrine tumors, and 4 patients with insulinoma.