TABLE 1.
Demographics, Pathology, and Procedure Data on the 1260 Patients Studied
| IPMN-Associated Invasive Adenocarcinoma n = 132 | Standard Pancreatic Ductal Adenocarcinoma n = 1128 | P | |
|---|---|---|---|
| Male gender | 68 (51%) | 592 (52%) | 0.78 |
| Age (median, yr) | 70 (35–85) | 67 (32–92) | 0.018 |
| Invasive carcinoma size (median, cm) | 2.6 (0.1–8.0) | 3.0 (0.1–15.5) | 0.15 |
| T stage | |||
| T1 | 37 (27%) | 34 (4%) | <0.001 |
| T2 | 28 (21%) | 77 (10%) | |
| T3 | 64 (48%) | 646 (83%) | |
| T4 | 5 (4%) | 21 (3%) | |
| Nodal metastasis | 68 (51%) | 879 (78%) | <0.001 |
| Poor differentiation | 34 (26%) | 483 (44%) | <0.001 |
| Vascular invasion | 43 (33%) | 572 (54%) | <0.001 |
| Perineural invasion | 95 (63%) | 941 (92%) | <0.001 |
| Margin involvement | 19 (14%) | 321 (28%) | <0.001 |
| Type of resection | |||
| PD | 84 (63%) | 988 (88%) | 30.001 |
| Distal | 18 (14%) | 81 (7%) | |
| Total | 30 (23%) | 59 (5%) |
PD indicates pancreaticoduodenectomy.