HR | 95% CI | P-value | |
---|---|---|---|
Smoking, ever (vs. never)a | 0.97 | 0.25–3.63 | 0.9640 |
C-reactive protein, per 1 mg/dLa | 0.99 | 0.93–1.04 | 0.5770 |
Rheumatoid factor, per 10 U/mL increasea | 5.93 | 0.65–50.56 | 0.1110 |
ACPA, positive (vs. negative)b, c | 0.29 | 0.07–1.53 | 0.1329 |
KL-6, per 100 U/mL increasea | 0.99 | 0.94–1.02 | 0.4416 |
UIP pattern on HRCT (vs. other patterns)b | 1.84 | 0.99–3.56 | 0.0548 |
Infection-triggered AEd | 3.16 | 0.87–9.28 | 0.0760 |
Treatment for RA before AE, yes (vs. no) | |||
Prednisolone ≤ 7.5 mg/day | 6.78 | 0.47–111.3 | 0.1595 |
Methotrexate | 1.16 | 0.38–3.18 | 0.7806 |
Tacrolimus | 0.83 | 0.27–2.28 | 0.7224 |
Bucillamine | 1.81 | 0.64–4.51 | 0.2468 |
Salazosulfapyridine | 0.69 | 0.23–1.78 | 0.4491 |
Treatment for AE (vs. CS monotherapy) | |||
CS + IS | 1.13 | 0.47–2.81 | 0.7858 |
CS + IVCY | 1.67 | 0.62–4.56 | 0.3108 |
CS + CNI | 0.91 | 0.28–2.77 | 0.8741 |