Cox model using baseline FVC as covariate | Cox model using FVC as time-dependent covariate | Joint model using FVC as a time-dependent covariate | |
HR (95% CI) | HR (95% CI) | HR (95% CI) | |
FVC models | |||
Baseline MRSS | 1.03 (1.01 to 1.05)* | 1.03 (1.01 to 1.06)** | 1.03 (1.01 to 1.06)** |
Age (years) | 1.06 (1.04 to 1.08)† | 1.06 (1.04 to 1.08)† | 1.06 (1.03 to 1.08)† |
FVC%-predicted | 0.97 (0.95 to 0.99)** | 0.96 (0.94 to 0.97)† | 0.97 (0.96 to 0.98)† |
AIC | 564 | 546 | 789 |