Table1: Eight Subscales and Two Summary Scores of SF-36

Subscales Descriptions
PF (physical functioning) reflects ability on activities of daily living to vigorous exercises.
RP (role physical) reflects presence of physical problems on executing daily works.
BP (bodily pain) reflects presence of troubles on executing daily works due to pain.
GH (general health perceptions) reflects general feelings of being “not healthy” or “healthy”.
VT (vitality) reflects feelings of being “exhausted” or “energetic”.
SF (social functioning) reflects presence of physical and mental problems on meeting with others.
RE (role emotional) reflects presence of mental problems on executing daily works.
MH (mental health) reflects feelings of being “nervous and anxious” or “calm and joyful”.
PCS (physical component summary) reflects overall physical quality of life, derived from the 8 subscales.
MCS (mental componentsummary) reflects overall mental quality of life, derived from the 8 subscales.