Association of dyspnoea, gas diffusing capacity, ground-glass opacities (GGO) or parenchymal bands with admission to the intensive care unit (ICU)
| Subjects n | OR (95% CI) | p-value | |
| Dyspnoea# (mMRC >0 versus mMRC=0) | 69 | ||
| Male sex | 0.39 (0.14–1.08) | 0.069 | |
| Age per 10 years | 0.81 (0.57–1.14) | 0.231 | |
| ICU admission | 0.67 (0.18–2.50) | 0.553 | |
| Gas diffusing capacity# (DLCO <LLN versus DLCO ≥LLN) | 102 | ||
| History of smoking | 1.56 (0.61–4.03) | 0.356 | |
| ICU admission | 1.54 (0.42–5.61) | 0.517 | |
| GGO in chest CT# (>10% GGO in ≥1 zone versus none) | 101 | ||
| Male sex | 1.25 (0.45–3.46) | 0.662 | |
| Age per 10 years | 1.81 (1.21–2.72) | 0.004 | |
| ICU admission | 4.22 (1.14–15.6) | 0.031 | |
| Parenchymal bands in chest CT# (yes versus no) | 101 | ||
| Male sex | 1.35 (0.47–3.89) | 0.584 | |
| Age per year | 1.19 (0.81–1.74) | 0.376 | |
| ICU admission | 2.99 (0.83–10.8) | 0.093 |
Multivariate logistic regression analysis. mMRC: modified Medical Research Council dyspnoea scale; DLCO: diffusing capacity of the lung for carbon monoxide; LLN: lower limit of normal; CT: computed tomography. #: dependent variable.