Table 2. Symptoms of Fatigue in CFS and Control Subjects.

MFI Subscale	Control (n = 41)	CFS (n = 18)	t statistic	p value*
	Mean (SD)	Mean (SD)
General Fatigue	6.0 (1.6)	14.7 (3.2)	10.9	<0.0001
Physical Fatigue	5.6 (2.3)	12.2 (4.5)	5.8	<0.0001
Reduced Activity	5.0 (1.3)	10.4 (5.1)	4.4	<0.001
Reduced Motivation	5.3 (1.5)	10.2 (2.7)	7.2	<0.0001
Mental Fatigue	5.8 (1.8)	12.7 (3.8)	7.3	<0.0001

CFS-Chronic Fatigue Syndrome; MFI-Multidimensional Fatigue Inventory; SD-Standard deviation;

*-Welch test.