Table 2.
Results of serial pulmonary function tests among coronavirus disease 2019 survivors (n=85)
| (% predicted) | P | ||
|---|---|---|---|
|
| |||
| 3 months | 6 months | ||
| FVC | 102.5±13 | 102.4±14 | 0.321 |
| FEV1 | 107.0±12.4 | 106.0±13.3 | 0.23 |
| TLC | 104.5±16.5 | 105.0±18.1 | 0.42 |
| VC | 104.0±13.3 | 104.2±14 | 0.26 |
| RV | 106.3±46.2 | 110.4±45.2 | 0.43 |
| DLCO | 98.2±14.2 | 92.2±12.3 | 0.02* |
| KCO | 107.1±14.6 | 115.5±13.6 | 0.001* |
*Significant difference. Data are expressed as mean±SD. FVC=Forced vital capacity, FEV1=Forced expiratory volume in 1 s, TLC=Total lung capacity, VC=Vital capacity, RV=Residual volume, DLCO=Diffusing capacity for carbon monoxide, KCO=Transfer coefficient (transfer factor per alveolar volume), SD=Standard deviation