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Table 2 Results of pulmonary function tests and respiratory muscle strength among COVID-19 patients

From: Impact of coronavirus disease 2019 on pulmonary function in early convalescence phase

Parameter Total (n=57) Severe (n=17) Non-severe (n=40) p Value
FVC (% of predicted) 100.96 (15.93) 95.92 (19.59) 103.10 (13.83) 0.12
FEV1 (% of predicted) 97.89 (14.91) 93.93 (16.79) 99.57 (13.92) 0.194
FEV1/FVC(%) 81.22 (6.13) 80.58 (4.88) 81.49 (6.62) 0.614
TLC (% of predicted) 93.94 (12.75) 88.72 (16.20) 96.22 (10.35) 0.048*
RV (% of predicted) 90.68 (28.08) 86.57 (23.96) 92.47 (29.82) 0.327
DLCO (% of predicted) 78.38 (13.59) 74.14 (18.85) 80.12 (10.56) 0.139
Raw(% of predicted) 105.38 (31.38) 99.46 (26.32) 108.03 (33.38) 0.524
R5(% of predicted) 126.64 (29.45) 118.75 (29.98) 130.00 (28.96) 0.072
R20(% of predicted) 132.76 (30.95) 120.15 (31.46) 138.12 (29.50) 0.024*
Pi max (% of predicted) 76.16 (24.28) 80.49 (29.24) 74.26 (21.93) 0.382
Pe max (% of predicted) 102.73 (32.68) 98.00 (27.11) 104.80 (34.96) 0.637
6MWD, m 561.97 (45.29) 517.43 (44.55) 573.52 (38.38) 0.012*
6MWD (% predicted) 94.61 (6.55) 88.46 (7.61) 96.20 (5.31) 0.011*
  1. Values are shown as mean (SD) severe vs non-severe with p values
  2. *Statistically significant