Risk of primary Sjögren syndrome in the 25,074 patients with non-Hodgkin lymphoma by sex and age.
| Age | Incidence (1/1000) | Person-yrs | Expected | Observed | SIR (95% CI) |
|---|---|---|---|---|---|
| Male, yrs | |||||
| < 20 | 0.0002 | 4503.7 | 0 | 0 | 0 |
| 20–39 | 0.0039 | 10,521.0 | 0.04 | 0 | 0 |
| 40–59 | 0.0155 | 25,318.8 | 0.39 | 3 | 7.7 (1.6–22.5) |
| 60–79 | 0.0465 | 36,371.4 | 1.69 | 4 | 2.4 (0.6–6.1) |
| ≥ 80 | 0.0449 | 18,328.2 | 0.82 | 1 | 1.2 (0.03–6.8) |
| All | 95,043.2 | 2.94 | 8 | 2.7 (1.2–5.4) | |
| Female, yrs | |||||
| < 20 | 0.0031 | 2591.5 | 0.01 | 0 | 0 |
| 20–39 | 0.0485 | 8260.9 | 0.40 | 7 | 17.5 (7.0–36.1) |
| 40–59 | 0.1792 | 21,408.1 | 3.84 | 22 | 5.7 (3.6–8.7) |
| 60–79 | 0.2425 | 27,931.1 | 6.77 | 12 | 1.8 0.9–3.1) |
| ≥ 80 | 0.1245 | 11,422.5 | 1.42 | 0 | 0 |
| All | 71,614.2 | 12.44 | 41 | 3.3 (2.4–4.5) | |
| Total | |||||
| All | 166,657.4 | 15.38 | 49 | 3.2 (2.4–4.2) |
SIR: standardized incidence ratio.