Table 1.
Comparison of the characteristics and lung function of non‐defaulters and defaulters at 3 months after disease onset
| Non‐defaulters (n = 55) | Defaulters (n = 55) | P value | |
|---|---|---|---|
| Age, year | 44.4 (13.2) | 33.4 (8.6) | <0.001* |
| Males, % | 34.5 | 41.8 | 0.100 |
| Length of hospital stay, day | 28.2 (25.2) | 18.9 (6.8) | 0.005* |
| ICU admission, % | 21.8 | 23.8 | 0.392 |
| Mechanical ventilation, % | 7.3 | 3.6 | 0.820 |
| Peak LDH level, U/L | 460.4 (238.5) | 357.2 (145.4) | 0.011* |
| Total steroid dose (in terms of hydrocortisone, mg) | 10 805.6 (11 449.4) | 9488.6 (7247.3) | 0.461 |
| FEV1 % † | 94.2 (12.5) | 100.3 (13.7) | 0.016* |
| FVC % † | 93.3 (13.7) | 98.8 (13.1) | 0.031* |
| VC % † | 97.2 (15.9) | 106.5 (11.6) | 0.003* |
| TLC % † | 99.9 (20.0) | 108.0 (15.3) | 0.018* |
| DLCO † | 81.2 (18.8) | 88.1 (12.9) | 0.008* |
| KCO % † | 88.0 (15.6) | 90.9 (19.3) | 0.921 |
Data presented as mean (SD) unless otherwise indicated.
*
P value < 0.05.
†
FEV1 and FVC reference values based on Ip et al. 22
VC and TLC reference values based on Da Costa. 20
DLCO and KCO reference values based on Ip et al. 23
ICU, intensive care unit; KCO, gas transfer corrected for alveolar volume.