SIR of malignancies in IgG4-RD and AIP.
| IgG4-RD | AIP | |||
|---|---|---|---|---|
| SIR | 95% CI | SIR | 95% CI | |
| Overall | 2.01 | 1.34–2.69 | 2.08 | 1.32–2.85 |
| Without concurrent diagnosis | 1.60 | 1.07–2.13 | 1.71 | 1.01–2.41 |
| Years after IgG4-RD diagnosis | ||||
| < 1 | 3.53 | 1.23–5.83 | 3.91 | 1.02–6.80 |
| ≥ 1 | 1.48 | 0.99–1.98 | 1.57 | 0.90–2.23 |
SIR: standardized incidence ratio; IgG4-RD: immunoglobulin G4–related disease; AIP: autoimmune pancreatitis.