Table 2: Fatigue, depression and sleep disturbance levels.

Symptom Mean SD
Total BFI 5.43 1.9
Fatigue severity items total 5.61 2.44
Fatigue interference items total 5.2 2.21
Total ISI 13.41 5.3
Total ZDS 50.09 7.3

SD: Standard Deviation, BFI: Brief Fatigue Inventory, ISI: Insomnia Severity Index, ZDS: Zung Depression Scale.