List of outcome measures used in clinical trials.
| Pain | VAS pain by paper, VAS pain by electronic diary, BPI total score, SF-36 bodily pain, FIQ pain item, BPI worst pain item, BPI least pain item, BPI average pain item, BPI pain right now item |
| Fatigue | Multidimensional fatigue inventory, Multidimensional assessment of fatigue, SF-36 vitality, FIQ tiredness |
| Depression | Beck Depression Inventory, Hamilton Rating Scale for Depression total score, HAMD Maier subscale, SF-36 mental component score, SF-36 mental health, HADS depression, FIQ depression |
| Sleep | MOS Sleep Scale indices I and II and all subscales, Jenkin’s sleep scale, Global sleep quality, FIQ restedness, HAMD sleep subscale, BPI interference with sleep item |
| Physical function | FIQ physical function, SF-36 physical function, SF-36 role physical, Sheehan disability total score, BPI interference with walking item, BPI interference with normal work item |
| Quality of life and multidimensional function | SF-36 mental and physical component scores, FIQ total score, EuroQol 5D |
| Patient global impression of change | Likert scale |
| Tenderness | Tender point count, Pressure pain threshold measured by dolorimeter |
| Dyscognition | Multiple abilities self-report questionnaire |
| Anxiety | FIQ anxiety, HADS anxiety, HAMD anxiety/somatization subscale |
| Stiffness | FIQ stiffness |
VAS: visual analog scale; BPI: Brief Pain Inventory, SF-36: Short Form-36, FIQ: Fibromyalgia Impact Questionnaire, HAMD: Hamilton Rating Scale for Depression, HADS: Hospital Anxiety and Depression Scale.