Table 3.

Correlation of FSS Scores with health-related quality of life (HRQOL) measures

	Hospitalized		Non-hospitalized
	Mean ± SD	Correlation with FSS (Spearman’s rho)	Mean ± SD	Correlation with FSS (Spearman’s rho)
HRQOL: EQ-5D VAS (0–100)	65.1 ± 22.8 (n = 548)	− 0.5* (n = 528)	57.1 ± 20.1 (n = 546)	− 0.5* (n = 536)
HRQOL: EQ-5D health utility (0–1.0)	0.7 ± 0.2 (n = 531)	− 0.6* (n = 516)	0.7 ± 0.2 (n = 533)	− 0.6* (n = 524)

HRQOL health related quality of life; EQ-5D EuroQol-5 dimensions; VAS visual analogue scale; FSS fatigue severity scale; SD standard deviation

^*p < 0.001, two tailed