CFS Patients Non-fatigued Controls  
N 46 (76% Female) 34 (60% Female)  
Age 50.00 ± 2.0 49.00 ± 2.16 0.38
White Cell Count 5.90 ± 0.24 6.28 ± 0.28 0.31
Table 2: Characteristics of CFS and non-fatigued groups.