TABLE 4.

Diffusing capacity of carbon monoxide (DLCO), alveolar volume (VA), and carbon monoxide transfer coefficient (KCO) measured at 6 months after hospital discharge in patients requiring veno-venous extracorporeal membrane oxygenation in the acute phase of severe coronavirus disease 2019 (Group COVID) and healthy matched healthy controls (Group H).

		Group H	Group COVID	p
DLCO	Absolute value (ml/min/mmHg)	26.7 ± 6.9	18.9 ± 4.3	0.003
	% predicted	90.0 ± 12.9	66.9 ± 14.5	0.001
VA	Absolute value (liters)	5.96 ± 1.2	4.11 ± 0.4	<0.001
	% predicted	94.9 ± 7.4	73.9 ± 15.8	0.004
KCO	Absolute value (1/min)	4.48 ± 0.69	4.56 ± 0.81	0.82
	% predicted	96.7 ± 11.5	94.1 ± 17.4	0.70

Data were presented as absolute values and percent predicted. Bold values: statistically significant difference.