Table 2 Comparison of pathological findings in IgG4-positive and IgG4-negative type 1 AIP.
From: Clinicopathological features of type 1 autoimmune pancreatitis without elevated serum IgG4 level
IgG4-positive n = 281 | IgG4-negative n = 20 | P-value | |
|---|---|---|---|
Pathological examination performed | 203 (72.2) | 17 (85.0) | 0.299 |
EUS-FNA performed | 194 (69.0) | 13 (65.0) | 0.803 |
Two findings | 29 (14.9) | 3 (23.1) | 0.427 |
Three or more findings | 6 (3.1) | 0 (0.0) | 1.000 |
Percutaneous biopsy performed | 21 (7.5) | 2 (10.0) | 0.657 |
Two findings | 6 (28.6) | 0 (0.0) | 1.000 |
Three or more findings | 2 (9.5) | 0 (0.0) | 1.000 |
Surgery performed | 8 (2.8) | 7 (35.0) | < 0.001 |
Two findings | 0 (0.0) | 2 (28.6) | 0.200 |
Three or more findings | 8 (100) | 5 (71.4) | 0.200 |
Number of patients with two or more findings | 50 (24.6) | 10 (58.8) | 0.008 |
