[Retracted] The Investigation of Pulmonary Function Changes of COVID-19 Patients in Three Months

Table 4

Pulmonary function changes in patients with different types of COVID-19.

Pulmonary function (%Pred)	On the day of discharge			Three months after discharge
	Nonsevere (N  = 41)	Severe (N  = 15)	value	Nonsevere (N  = 41)	Severe (N  = 15)	value
FEV1/IVC	112 ± 21.5	114 ± 21.7	0.854	92.4 ± 20.7	82.1 ± 6.71	0.007
IVC	64.4 ± 13.8	57.7 ± 15.2	0.135	82.4 ± 18.9	84.9 ± 19.8	0.689
FVCex	86.9 ± 11.6	79.6 ± 14.9	0.096	94.6 ± 11.8	88.9 ± 14.5	0.176
FEV1	85.3 ± 11.9	78.8 ± 12.5	0.0856	94.0 ± 14.2	89.6 ± 16.9	0.367
MEF25	73.7 ± 41.1	64.6 ± 26.7	0.336	78.0 ± 33.8	80.2 ± 38.2	0.841
MEF50	81.4 ± 26.0	75.3 ± 23.0	0.394	92.8 ± 29.7	89.9 ± 35.1	0.769
MEF75	86.3 ± 17.1	89.6 ± 22.6	0.61	100 ± 20.1	102 ± 27.9	0.79
PEF	82.5 ± 17.7	92.0 ± 19.6	0.105	101 ± 17.9	105 ± 20.5	0.455
DLCO				87.9 ± 16.9	79.6 ± 22.4	0.209