Shortened Modified Fatigue Impact Scale (MFIS)Score total ranges from 0-20Loading...I have been less alertNever0Rarely+1Sometimes+2Often+3Almost always+4I have been limited in my ability to do things away from homeNever0Rarely+1Sometimes+2Often+3Almost always+4I have had trouble maintaining physical effort for long periodsNever0Rarely+1Sometimes+2Often+3Almost always+4I have been less able to complete tasks that require physical effortNever0Rarely+1Sometimes+2Often+3Almost always+4I have had trouble concentratingNever0Rarely+1Sometimes+2Often+3Almost always+4