Table 1.
Prevalence of fibromyalgia during an outbreak (n = 992).
| n (%) | |
|---|---|
| Prevalence of fibromyalgia (FiRST score) | |
| Fibromyalgia (score ≥5) | 125 (12.6) |
| No fibromyalgia (score <5) | 867 (87.4) |
| FiRST score distribution | |
| 6/6 | 58 (5.8) |
| 5/6 | 67 (6.8) |
| 4/6 | 114 (11.4) |
| 3/6 | 109 (11.0) |
| 2/6 | 101 (10.2) |
| 1/6 | 79 (8.0) |
| 0/6 | 464 (46.8) |
| LFESSQ criteria | |
| Prevalence of fibromyalgia (LFESSQ) | |
| Fibromyalgia (Pain alone or pain with fatigue) | 196 (19.8) |
| No fibromyalgia | 796 (80.2) |
| LFESSQ criteria | |
| Pain alone | 196 (19.8) |
| Pain with fatigue | 114 (11.5) |
| Fatigue alone | 225 (22.7) |
| No pain no fatigue | 685 (69.1) |
Values given in parentheses are percentages.
Out of 992 participants, using the FiRST criteria for the diagnosis of FM, 12.6% (n = 125) participants had a score of ≥5. On the other hand, using LFESSQ criteria, 19.8% (n = 196) of the participants had been diagnosed with fibromyalgia (pain alone or pain with fatigue) using the same cut-off.