Patient Demographics
| Parameter | Total (n = 31) | Malignant (n = 6) | Benign (n = 25) | P |
| Mean age ± SD (y) | 57.1 ± 14.5 | 60.8 ± 16.3 | 56.2 ± 14.2 | NS |
| Sex (F/M) | 19/12 | 3/3 | 16/9 | NS |
| Body mass index (kg/m2) | 25.0 ± 4.1 | 23.9 ± 2.8 | 25.5 ± 4.3 | NS |
| Use of alcohol (yes/no) | 2/29 | 0/6 | 2/23 | NS |
| Smoking (yes/no) | 6/25 | 1/5 | 5/20 | NS |
| History of pancreatitis (yes/no) | 6/25 | 0/6 | 2/23 | NS |
| Symptoms (yes/no) | 19/12 | 5/1 | 14/11 | NS |
| Blood chemistry | ||||
| Ca19-9 (kU/L) | 87 ± 263 | 232 ± 494 | 47 ± 156* | NS |
| Carcinoembryonic antigen (μg/L) | 2.6 ± 1.6 | 3.0 ± 2.3 | 2.5 ± 1.4 | NS |
| Total bilirubin (μmol/L) | 11.9 ± 10.3 | 9.7 ± 2.6 | 12.8 ± 11.6 | NS |
| Alkaline phosphatase (U/L) | 70 ± 32 | 76 ± 50 | 68 ± 28 | NS |
| Alanine transferase (U/L) | 25 ± 18 | 28 ± 28 | 24 ± 15 | NS |
| Amylase (U/L) | 69 ± 31 | 53 ± 24 | 74 ± 32 | NS |
| γ-glutamyl transferase (U/L) | 45 ± 62 | 42 ± 28 | 46 ± 68 | NS |
| Location | ||||
| Head | 15 | 2 | 13 | NS |
| Body | 5 | 1 | 4 | NS |
| Tail | 8 | 2 | 6 | NS |
| Whole pancreas | 3 | 1 | 2† | NS |
| Size† (cm) | NS | |||
| Mean ± SD | 5.3 ± 3.8 | 5.1 ± 4.0 | 4.8 ± 2.7 | |
| Range | 1.3–18 | 2.5–18 | 1.3–10 |