Table 1 Risk of incident COPD according to SLE status
| Â | SLE (n= 4,486) | Non-SLE (n= 47,190) |
|---|---|---|
COPD cases, n | 96 | 419 |
Incidence rate/1,000 person-years | 5.0 | 2.1 |
Age-matched, sex-matched, and entry time-matched RRs (95% CI) | 2.3 (1.8 to 2.9) | 1.0 |
<1 year of disease duration | 6.1 (4.0 to 9.2) | 1.0 |
1to 4.9 years of disease duration | 1.7 (1.2 to 2.5) | 1.0 |
5+ years of disease duration | 1.5 (0.9 to 2.3) | 1.0 |
Multivariable RR (95% CI) | 2.0 (1.5 to 2.6) | 1.0 |