Table 4.

Fatigue severity scale

FSS Question	Mean	Standard Deviation
Motivation lower when fatigued	6.31	0.997
Exercise brings on fatigue	2.52	1.302
Easily fatigued	3.75	1.602
Fatigue interferes with physical activities	4.89	1.590
Fatigue causes frequent problems for me	3.82	1.729
Fatigue prevents sustained physical functioning	3.50	1.742
Fatigue interferes with my duties and responsibilities	4.31	1.741
Fatigue is among my three most disabling symptoms	4.03	2.001
Fatigue interferes with my work, family or social life	4.14	1.750