Table S1.
Multivariate linear, Tobit, and CLAD regressions
| Variable | Multivariate linear regression
|
Multivariate Tobit regression
|
Multivariate CLAD regression
|
|||
|---|---|---|---|---|---|---|
| Beta | 95% CI | Beta | 95% CI | Beta | 95% CIa | |
| Sex (female vs male) | −0.084 | (−0.154, −0.013) | −0.098 | (−0.182, −0.013) | −0.062 | (−0.130, −5·10−4) |
| Number of exacerbations | −0.027 | (−0.044, −0.010) | −0.030 | (−0.051, −0.009) | −0.006 | (−0.038, 0.0045) |
| mMRC score (1 is the reference group) | ||||||
| 0 | 0.011 | (−0.088, 0.109) | 0.079 | (−0.053, 0.212) | 0.090 | (0.0005, 0.113) |
| 2 | −0.123 | (−0.185, −0.061) | −0.178 | (−0.253, −0.102) | −0.094 | (−0.158, −0.063) |
| 3 | −0.231 | (−0.301, −0.161) | −0.298 | (−0.383, −0.213) | −0.222 | (−0.297, −0.177) |
| 4 | −0.559 | (−0.660, −0.458) | −0.626 | (−0.747, −0.505) | −0.632 | (−0.812, −0.341) |
| Intercept | 0.899 | (0.855, 0.942) | 0.976 | (0.921, 1.031) | 0.910 | (0.886, 0.914) |
Note:
a
Bias-corrected and accelerated method for CI.
Abbreviations: CI, confidence interval; CLAD, censored least absolute deviations; mMRC, modified Medical Research Council.