Table 3.

Summary of hierarchical multiple regression analyses for predictors of fatigue improvement in PCS following rehabilitation.

Model	Predictors	β	t	p	BF 10
1	pre-COVID HRQoL	−0.33	−3.01	0.003 **	6.54
R2 = 0.12	hospital admittance	−0.21	−1.95	0.055	2.04
2	pre-COVID HRQoL	−0.40	−3,56	<0.001 ***	12.23
R2 = 0.19	hospital admittance	−0.21	−2.00	0.053	2.60
	PTSS change	0.24	2.12	0.037 *	3.57
	Breathlessness change	0.06	0.58	0.562	1.00
3	pre-COVID HRQoL	−0.39	−3.51	<0.001 ***	8.92
R2 = 0.20	hospital admittance	−0.20	−1.89	0.063	2.15
	PTSS change	0.23	2.06	0.043 *	2.55
	Breathlessness change	0.07	0.65	0.520	0.80
	PTSS*breathlessness change	−0.10	−0.91	0.364	0.85

* p < 0.05, ** p < 0.01, *** p < 0.001. PCS = Post COVID-19 Syndrome; HRQoL = Health Related Quality of Life; PTSS = Post Traumtic Stress Symptoms.