Table 4 CT-scan and pulmonary function test findings
Parameters | All Cases Median (IQR)/% (N) | Non-ICU Median (IQR)/% (N) | ICU Median (IQR) /% (N) | P value |
|---|---|---|---|---|
Spirometry | ||||
FVC, % predicted | 110 (90, 125) | 109 (89, 121) | 122 (95, 125) | 0.295 |
< 80% | 12.8% (6) | 12.5% (4) | 13.3% (2) | 1.00 |
FEV1, % predicted | 91 (75, 109) | 88.5 (76.0, 101.3) | 93.0 (70.0, 120.0) | 0.487 |
< 80% | 29.8% (14) | 31.3% (10) | 26.7% (4) | 1.00 |
FEV1/FVC, % predicted | 96 (79, 109/) | 97 (78, 103) | 94 (81, 102) | 0.879 |
< 70% | 11% (5) | 13% (4) | 7% (1) | 0.660 |
FEF 25–75, % predicted | 70.0 (52.0, 89.0) | 69.5 (53.3, 86.3) | 77.0 (35.0, 94.0) | 0.977 |
< 80% | 68% (32) | 72% (23) | 60% (9) | 0.416 |
Peak expiratory flow, % predicted | 75.0 (49.0, 100) | 72.5 (47.5, 96.0) | 82.0 (51.0, 115.0) | 0.356 |
< 80% | 55% (26) | 59% (19) | 47% (7) | 0.533 |
Computed tomography (CT) | ||||
Ground-glass opacity | 57.8% (26) | 50.0% (15) | 73.3% (11) | 0.135 |
Consolidation | 2.2% (1) | 0.0% (0) | 6.7% (1) | 0.333 |
Fibrosis | 33.3% (15) | 30.0% (9) | 40.0% (6) | 0.502 |
Subpleural line | 11.1% (5) | 6.7% (2) | 20.0% (3) | 0.315 |
Reticulation | 0.0% (0) | 0.0% (0) | 0.0% (0) | – |
Nodules | 22.2% (10) | 26.7% (8) | 13.3% (2) | 0.310 |