Demographic information of subjects in the discovery and validation phases
| Demographic variable | Characteristics | Discovery phase | Validation phase | |||||
| Pancreatic cancer (n=10) | Healthy control (n=10) | p Value | Pancreatic cancer (n=28) | Healthy control (n=28) | Chronic pancreatitis (n=27) | p Value* | ||
| Age (years) | Mean±SD | 66.5±8.9 | 66.4±10.5 | 0.98 | 69.9±11.6 | 65.1±10.1 | 57.8±11.0 | 0.10 |
| Sex | Male | 8 | 8 | 1 | 17 | 18 | 15 | 1 |
| Female | 2 | 2 | 11 | 10 | 12 | |||
| Ethnicity | Caucasian | 10 | 10 | 1 | 19 | 19 | 18 | 1 |
| African American | 0 | 0 | 2 | 2 | 2 | |||
| Asian | 0 | 0 | 4 | 4 | 3 | |||
| Hispanic | 0 | 0 | 3 | 3 | 4 | |||
| Smoking | 0 | 0 | 1 | 5 | 2 | 11 | 0.23 | |
| Drinking | 0 | 0 | 1 | 2 | 3 | 2 | 0.65 | |
* For the validation samples, p value was calculated between pancreatic cancer and healthy control.