The MOS-HIV measures HRQoL in 11 areas: health perceptions, bodily pain, physical function, role function, social function, mental function, vitality, health distress, cognitive function, QoL, and health transition. One scores scale in a range from 0-100 with a higher score implying better health (41). In addition to these subscales, a Physical Health Summary score (PHS) and Mental Health Summary score (MHS) can be calculated.