Table 2.

Correlation between the time since infection, age and nutritional status, and complications after COVID-19.

Pair of Variables		R	p
Time since SARS-CoV-2 infection	Shortness of breath at rest	−0.050792	0.121
	Shortness of breath during exercise	−0.112570	<0.001 *
	Coughing/loud breathing	−0.028147	0.505
	Problems with mobility	−0.083910	0.010 *
	Fatigue	−0.007824	0.831
	Muscle/joint pain	−0.071215	0.029 *
	Eating problems	−0.075123	0.101
	Problems with everyday activities	−0.081740	0.012 *
	Disturbances in mental comfort	−0.023006	0.482
	Overall health perception	0.064012	0.050 *
Age	Shortness of breath at rest	0.026036	0.427
	Shortness of breath during exercise	−0.001883	0.954
	Coughing/loud breathing	0.041950	0.320
	Problems with mobility	0.172705	<0.001 *
	Fatigue	0.029857	0.416
	Muscle/joint pain	−0.013400	0.683
	Eating problems	−0.082353	0.073
	Problems with everyday activities	0.080511	0.014 *
	Disturbances in mental comfort	−0.091730	0.005 *
	Overall health perception	−0.004706	0.886
BMI	Shortness of breath at rest	0.111565	<0.001 *
	Shortness of breath during exercise	0.150855	<0.001 *
	Coughing/loud breathing	0.023634	0.584
	Problems with mobility	0.134040	<0.001 *
	Fatigue	0.085030	0.023 *
	Muscle/joint pain	0.023721	0.478
	Eating problems	−0.066431	0.158
	Problems with everyday activities	0.103615	0.002 *
	Disturbances in mental comfort	−0.001368	0.967
	Overall health perception	−0.104278	0.002 *

Legend: p—statistical significance *; R—correlation coefficient.