Table 2. Data from the Fibromyalgia Impact Questionnaire (FIQ) applied to 40 patients with fibromyalgia and 40 controls in São Paulo.
| Variables | Control group | Test group | "t" test | |
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | t | p | |
| 1) Physical function | 4.35 ± 5.16 | 14.93 ± 5.37 | 8.98 | 0.00 |
| 2) Feeling well | 6.33 ± 1.53 | 1.93 ± 1.85 | 11.62 | 0.00 |
| 3) Work missed | 0 ± 0 | 0 ± 0 | –––– | –––– |
| 4) Job ability | 0.2 ± 0.65 | 7.36 ± 2.02 | 21.33 | 0.00 |
| 5) Pain | 0.66 ± 1.46 | 7.77 ± 1.72 | 19.9 | 0.00 |
| 6) Fatigue | 2.37 ± 2.99 | 7.7 ± 2.21 | 9.03 | 0.00 |
| 7) Morning tiredness | 1.39 ± 2.5 | 7.18 ± 2.8 | 9.75 | 0.00 |
| 8) Stiffness | 0.16 ± 0.82 | 6.97 ± 2.47 | 16.54 | 0.00 |
| 9) Anxiety | 3.54 ± 3.4 | 7.71 ± 2.68 | 6.09 | 0.00 |
| 10) Depression | 1.7 ± 2.34 | 6.23 ± 3.26 | 7.14 | 0.00 |
For α = 0.05, "t" (t á/2) = 2.10.