Table 4.

MFI-20, MQOL, and PCFS

		Exercise				Time effect (t0 vs. t1)	Control				Time effect (t0 vs. t1)	Group effects t1	Group effects t2	Group effects t3
		t0	t1	t2	t3	p	t0	t1	t2	t3	p	p	p	p
MFI-20
Sum	Score	71.3 ± 12.7	53.7 ± 17.4	55.3 ± 17.4	47.8 ± 19.8	< 0.001	73.5 ± 10.2	56.0 ± 17.0	58.8 ± 14.7	55.5 ± 16.4	< 0.001	0.927	0.636	0.336
General fatigue	Score	16.5 ± 2.5	12.4 ± 3.5	13.5 ± 3.8	11.9 ± 4.3	< 0.001	16.8 ± 2.9	12.9 ± 3.6	14.4 ± 3.2	13.7 ± 3.9	< 0.001	0.904	0.572	0.347
Physical fatigue	Score	14.9 ± 2.9	10.8 ± 4.0	10.7 ± 4.7	9.7 ± 5.1	< 0.001	16.3 ± 3.2	12.1 ± 4.4	12.9 ± 3.8	12.2 ± 3.7	< 0.001	0.434	0.178	0.144
Reduced activity	Score	14.9 ± 2.9	10.8 ± 4.4	11.4 ± 4.2	9.9 ± 4.5	< 0.001	14.8 ± 2.6	11.1 ± 4.3	11.6 ± 3.8	11.0 ± 4.0	0.001	0.370	0.938	0.647
Reduced motivation	Score	11.0 ± 3.4	8.6 ± 3.5	8.0 ± 3.2	6.8 ± 3.1	0.006	11.6 ± 3.3	8.5 ± 3.5	8.4 ± 3.1	8.3 ± 3.8	0.001	0.911	0.733	0.296
Mental fatigue	Score	14.0 ± 3.7	11.0 ± 4.2	11.7 ± 4.3	9.6 ± 4.2	0.001	14.0 ± 2.7	11.4 ± 3.6	11.4 ± 3.3	10.4 ± 3.5	0.001	0.623	0.690	0.547
MQOL
Average	Score	21.2 ± 6.0	24.7 ± 5.7	25.2 ± 5.7	25.1 ± 6.8	< 0.001	18.3 ± 4.8	24.7 ± 5.7	23.0 ± 5.8	23.3 ± 6.0	< 0.001	0.836	0.235	0.074
PCFS
Average	Score	2.6 ± 0.8	2.1 ± 1.1	2.2 ± 1.0	1.9 ± 1.1	0.018	2.8 ± 0.9	2.3 ± 0.9	2.2 ± 1.0	2.2 ± 1.0	0.018	0.412	1.000	0.547

MFI-20 multidimensional Fatigue Inventory-20; MGOL McGILL Quality Of Life Questionnaire; PCSF the five point Post-COVID-Functional-Scale

p-value < 0.05 are written bold