Version May 2024
| Criteria | |||
| A patient satisfies diagnostic criteria for fibromyalgia if the following 3 conditions are met: | |||
| 1) Widespread pain index (WPI) ≥7 and symptom severity (SS) scale score ≥5 or WPI 3 to 6 and SS scale score ≥9. | |||
| 2) Symptoms have been present at a similar level for at least 3 months. | |||
| 3) The patient does not have a disorder that would otherwise explain the pain. | |||
| Ascertainment | |||
| 1) WPI | |||
| Note the number of areas in which the patient has had pain over the last week. In how many areas has the patient had pain? Score will be between 0 and 19. | |||
| Neck | |||
| Jaw, left | |||
| Jaw, right | |||
| Shoulder girdle, left | |||
| Shoulder girdle, right | |||
| Upper arm, left | |||
| Upper arm, right | |||
| Lower arm, left | |||
| Lower arm, right | |||
| Chest | |||
| Abdomen | |||
| Upper back | |||
| Lower back | |||
| Hip (buttock, trochanter), left | |||
| Hip (buttock, trochanter), right | |||
| Upper leg, left | |||
| Upper leg, right | |||
| Lower leg, left | |||
| Lower leg, right | |||
| 2) SS scale score | |||
| For the each of the 3 symptoms below, indicate the level of severity over the past week using the following scale: | |||
| 0 = no problem | 1 = slight or mild problems, generally mild or intermittent | 2 = moderate, considerable problems, often present and/or at a moderate level | 3 = severe, pervasive, continuous, life-disturbing problems |
| - Fatigue (0 to 3) | |||
| - Waking unrefreshed (0 to 3) | |||
| - Cognitive symptoms (0 to 3) | |||
| How many of the following has the patient had in the past 6 months? | |||
| - Pain or cramps in lower abdomen | |||
| - Depression | |||
| - Headache | |||
| The SS scale score is the sum of the severity of the 3 symptoms (fatigue, waking unrefreshed, cognitive symptoms) plus the number of the itemized symptoms present. The final score is between 0 and 12. | |||
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