Table 1.

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

Model	Predictors	β	t	p	BF 10
1	pre-COVID HRQoL	−0.23	−2.93	0.004 **	3.43
R2 = 0.07	age	−0.04	−0.54	0.593	0.39
	symptom duration	0.00	0.04	0.966	0.35
	hospital admittance	−0.15	−1.90	0.060	1.06
2	pre-COVID HRQoL	−0.23	−2.90	0.004 **	7.64
R2 = 0.147	age	−0.04	−0.46	0.647	0.82
	symptom duration	0.01	0.12	0.906	0.76
	hospital admittance	−0.21	−2.64	0.009 **	4.82
	PTSS	0.15	1.72	0.088	1.80
	breathlessness	0.20	2.51	0.013 *	11.39
3	pre-COVID HRQoL	−0.23	−2.99	0.003 **	21.60
R2 = 0.180	age	−0.01	−0.07	0.942	0.64
	symptom duration	0.03	0.36	0.716	0.65
	hospital admittance	−0.24	−2.96	0.004 **	16.96
	PTSS	−0.13	−0.95	0.346	0.99
	breathlessness	0.05	0.48	0.633	0.85
	PTSS * breathlessness	0.41	2.44	0.016 *	20.97

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