The severe group | The non-severe group | F/T | P | |
---|---|---|---|---|
mMRC scorea | N = 22 | N = 34 | ||
0 | 5 (22.7%) | 11 (32.4%) | 4.785 | 0.310 |
1 | 11 (50.0%) | 12 (35.3%) | ||
2 | 3 (13.6%) | 10 (29.4%) | ||
3 | 3 (13.6%) | 1 (2.9%) | ||
Pulmonary function parametersb | N = 21 | N = 31 | ||
FVC (L) | 3.10 ± 0.59 | 3.52 ± 0.6 | − 2.517 | 0.015 |
FVC (%) | 101.41 ± 14.52 | 104.69 ± 13.30 | 0.835 | 0.408 |
FVC% < 80% | 0 | 0 | – | – |
FEV1(L) | 2.48 ± 0.514 | 2.90 ± 0.453 | 3.313 | 0.003 |
FEV1 (%) | 95.21 ± 12.46 | 101.61 ± 12.66 | 1.604 | 0.108 |
FEV1% < 80% | 4 (19.0%) | 0 | 6.397 | 0.011 |
FEV1/FVC (%) | 79.23 ± 4.35 | 82.64 ± 4.80 | 2.611 | 0.012 |
FEV1/FVC < 70% | 1 (4.8%) | 0 | 1.505 | 0.220 |
DLCO (mmol/min/KPa) | 6.86 ± 1.31 | 7.18 ± 1.43 | 0.807 | 0.424 |
DLCO (%) | 84.01 ± 11.06 | 82.18 ± 12.42 | − 0.563 | 0.576 |
DLCO% < 80% | 6 (28.6%) | 13 (41.9%) | 0.964 | 0.326 |
TLC (L) | 5.05 ± 0.87 | 5.39 ± 0.71 | 1.599 | 0.116 |
TLC (%) | 100.32 ± 10.83 | 103.93 ± 9.37 | 1.277 | 0.207 |
TLC% < 80% | 0 | 0 | – | – |
RV/TLC (%) | 38.69 ± 5.86 | 37.23 ± 5.77 | − 0.889 | 0.378 |
RV (%) | 107.73 ± 13.66 | 111.70 ± 17.22 | 0.884 | 0.381 |
RV% > 120% | 6 (28.6%) | 12 (38.7%) | 0.569 | 0.451 |
FEF25–75 (%) | 65.95 ± 19.73 | 82.69 ± 20.36 | 2.946 | 0.005 |
FEF25–75% < 65% | 12 (57.1%) | 7 (22.6%) | 6.449 | 0.011 |
CT abnormalitiesc | N = 22 | N = 33 | ||
GGO | 6 (27.3%) | 2 (6.0%) | 16.360 | < 0.001 |
Interstitial fibrosis | 7 (31.8%) | 0 | ||
Others | 5 (22.7%) | 1 (3.0%) |