Table 2.
Univariate and multivariate analysis of features predictors of focal autoimmune pancreatitis type 1 diagnosis
| f-AIP type 1 patients (n=15), n (%) | PC patients (n=60), n (%) | Univariate analysis (P) | Multiple regression (P) | |
|---|---|---|---|---|
| LL | 10 (66.7) | 60 (100) | 0.99 | |
| DA | 4 (26.6) | 23 (38.3) | 0.59 | |
| PHM | 6 (40.0) | 0 | <0.001 | |
| PDD | 6 (40.0) | 46 (76.7) | 0.01 | |
| DPS | 10 (66.7) | 7 (11.7) | <0.001 | |
| Thickened PD walls | 10 (66.7) | 4 (6.7) | <0.001 | 0.01 |
| Thickened CBD walls | 9 (60.0) | 8 (13.6) | <0.001 | 0.002 |
| Lymphadenopathies | 14 (93.3) | 44 (73.3) | 0.19 | |
| VI | 3 (20.0) | 51 (85.0) | <0.001 | <0.001 |
| Hypoenhancement | 2 (on 13: 15.4) | 30 (on 33: 90.9) | <0.001 | |
| Soft pattern at EUS elastography | 10 (71.4) | 2 (3.8) | <0.001 | 0.004 |
f-AIP: Focal autoimmune pancreatitis; PC: Pancreatic cancer; LL: Loss of lobularity; DA: Distal atrophy; PHM: Peripancreatic hypoechoic margins; DPS: Duct-penetrating sign; PD: Pancreatic duct; PDD: PD dilation; CBD: Common bile duct; VI: Vessel infiltration