Table 2.

Physical fitness, cardiopulmonary function and severity of symptoms in people with post-COVID-19 condition (n = 72)

Physical fitness	Value	Cardiopulmonary function	Value	Severity of symptoms	Value
Initial work rate (W)	73.4 ± 23.7	FVC (L)	3.7 ± 0.9	CFQ-11	8.0 ± 3.0
Higher work rate (W)	98.6 ± 25.9	% FVC	95.8 ± 14	FSS	5.3 ± 1.4
Initial RPE	12.5 ± 2.0	FEV-1 (L)	3.1 ± 0.8	DSQ-14	55.3 ± 18.4
Initial HR (b·m−1)	121.3 ± 13.9	% FEV-1	104.8 ± 17.1	PCFS	2.4 ± 0.9
Final HR (b·m−1)	143.6 ± 16.0	FEV/FVC	84.5 ± 7.2	mMRC	1.4 ± 0.9
Final RPE	15.1 ± 1.5	FEV 25–75% (L·s−1)	3.7 ± 1.2	SF-12 PCS	35.9 ± 11.1
VO2max (ml·kg·min−1)	35.8 ± 10.4	MVV (L)	102.2 ± 38.4	SF-12 MCS	41.8 ± 12.0
Sit-to-stand (s)	7.6 ± 2.8	% MVV	87.2 ± 23.1	PHQ-9	12.1 ± 5.6
Handgrip (kg)	32.8 ± 10.1	LVEF (%)	61.6 ± 5.1	GAD-7	9.4 ± 5.2
BP-50% 1RM (kg)	17.3 ± 9.3	RV-TAPSE (mm)	24.0 ± 3.1
HSQ-50% 1RM (kg)	17.8 ± 14.2	LVEDV (cm−3m−2)	48.4 ± 10.1
Leg extension (N)	416.9 ± 148.9	E/A (cms−1)	1.3 ± 0.5

Data are means and standard deviation (M ± SD) or frequencies and percentages (n (%))

HR Heart rate. VO_2max: Maximum oxygen uptake estimated by sex-specific equations [34]. HG Handgrip, BP Bench Press, HSQ Half Squat, FVC Forced ventilatory capacity, FEV Forced expiratory volume, MVV Maximum voluntary ventilation, LVEF Left Ventricular Ejection Fraction, RV-TAPSE Right ventricular- Tricuspid Annular Plane Systolic Excursion, LVEDV Left Ventricular End Diastolic Volume, E/A ratio early diastolic velocity (E), late diastolic velocity (A), CFQ-11 Chalder Fatigue Scale, FSS Fatigue Severity Scale, DSQ-14 The DePaul Symptom Questionnaire, PCFS Post-COVID-19 Functional Status scale, mMRC Modified Medical Research Council dyspnea scale, PCS Physical health component score, MCS Mental health component score, PHQ Patient Health Questionnaire, GAD Generalized Anxiety Disorder scale