Table 6.

Correlation of the severity of symptoms before and after COVID-19.

Pair of Variables		p
Difference between before and after COVID-19	Shortness of breath at rest	<0.001 *
	Shortness of breath during exercise	<0.001 *
	Coughing/loud breathing	<0.001 *
	Problems with mobility	<0.001 *
	Fatigue	<0.001 *
	Problems with everyday activities	<0.001 *
	Disturbances in mental comfort	<0.001 *
	Overall health perception	0.534

Legend: p—statistical significance *.