Table 1.
Cohort characteristics.
| Variable | No. of patients |
|---|---|
| Age at diagnosis | |
| ≤67 years | 112 |
| >67 years | 106 |
| Race | |
| White | 167 |
| Black | 14 |
| Hispanic | 17 |
| Asian | 18 |
| Not recorded | 2 |
| Gender | |
| Female | 111 |
| Male | 107 |
| Stage | |
| Stage IA | 8 |
| Stage IB | 16 |
| Stage IIA | 36 |
| Stage IIB | 158 |
| Pathology T | |
| T1 | 13 |
| T2 | 42 |
| T3 | 163 |
| Pathology N | |
| N0 | 61 |
| N1 | 157 |
| Metastatic lymph nodes* | |
| ≤3 | 80 |
| >3 | 75 |
| Missing | 2 |
| Percentage of metastatic lymph nodes* | |
| ≤25% | 78 |
| >25% | 77 |
| Missing | 2 |
| Differentiation | |
| Poor | 111 |
| Moderate | 81 |
| Well | 19 |
| Missing | 7 |
| Localization | |
| Proximal pancreas (head/neck) | 184 |
| Distal pancreas (body/tail) | 34 |
| Tumour size | |
| ≤2 cm | 41 |
| >2 cm | 173 |
| Missing | 4 |
| Smoking | |
| Never | 62 |
| Former/Current | 75 |
| Missing | 81 |
| Alcohol | |
| Never | 106 |
| Former/Current | 22 |
| Missing | 90 |
| Chronic Pancreatitis | |
| No | 74 |
| Yes | 144 |
| History of other cancer | |
| No | 149 |
| Yes | 33 |
| Missing | 36 |
| Cholelithiasis | |
| No | 190 |
| Yes | 28 |
| Diabetes mellitus | |
| No | 124 |
| Yes | 60 |
| Missing | 34 |
| AST | |
| Normal | 136 |
| Abnormal | 63 |
| Missing | 19 |
| ALT | |
| Normal | 135 |
| High | 69 |
| Missing | 14 |
| Alkaline phosphatase | |
| Normal | 174 |
| Abnormal | 31 |
| Not recorded | 13 |
| Albumin | |
| Normal | 28 |
| Abnormal | 177 |
| Missing | 13 |
| Total bilirubin | |
| Normal | 169 |
| Abnormal | 36 |
| Missing | 13 |
| CA 19-9 | |
| <200 U/mL | 112 |
| ≥200 U/mL | 53 |
| Missing | 53 |
| CEA | |
| Normal | 89 |
| High | 77 |
| Missing | 52 |
| Chemotherapy | |
| No adjuvant chemotherapy | 109 |
| Adjuvant chemotherapy | 109 |
| Surgery | |
| Pancreatectomy (distal or total) and splenectomy | 29 |
| Whipple procedure | 189 |
| Family history** | |
| Breast, ovarian cancer | 13 (1) |
| Pancreatic cancer | 11 (4) |
| Gastrointestinal (Other) | 8 (0) |
| Other types | 17 (3) |
| Not contributory | 52 |
| Missing | 122 |
*
Split at the median.
**
At least 1st degree relative (pairs of 1st degree relatives in parenthesis).