From: Can the Fatigue Severity Scale 7-item version be used across different patient populations as a generic fatigue measure - a comparative study using a Rasch model approach
Item
Differential item functioning
3
MS – HIV/AIDS** Stroke – HIV/AIDS**
4
None
5
MS – Stroke**
6
MS – HIV/AIDS*
7
8
9
MS – HIV/AIDS** Stroke – HIV/AIDS*