Table 2.
Fibromyalgia symptoms and functional deficits means and standard deviations at baseline and post-treatment (Post), and treatment effect values from standard (F) or bootstrap (β) regression analyses.
| Variable | Yoga | Control | Effect | F/β | P | ||
|---|---|---|---|---|---|---|---|
|
|
|
||||||
| Baseline Mean (SD) | Post Mean (SD) | Baseline Mean (SD) | Post Mean (SD) | ||||
| FIQR total score | 48.32 (17.47) | 35.49 (17.61) | 49.26 (17.71) | 48.69 (18.88) | 15.28 | F | .0003*** |
| Symptoms (FIQR) | 27.16 (7.59) | 20.08 (8.25) | 26.84 (9.23) | 27.50 (8.43) | 20.52 | F | <.0001*** |
| Function (FIQR) | 12.36 (7.16) | 9.73 (7.52) | 12.85 (6.22) | 12.40 (6.59) | 3.36 | F | .0727^ |
| Overall impact (FIQR) | 8.80 (4.84) | 5.68 (3.65) | 9.57 (5.43) | 8.79 (5.57) | 7.79 | β | .0074** |
| Pain (FIQR) | 5.24 (12.18) | 4.12 (2.05) | 5.11 (2.31) | 5.14 (2.27) | −1.11 | β | .0186** |
| Fatigue (FIQR) | 6.36 (2.18) | 4.76 (2.52) | 6.39 (2.17) | 6.71 (1.61) | −1.94 | β | .0006*** |
| Stiffness (FIQR) | 6.36 (2.00) | 4.72 (1.90) | 5.68 (2.36) | 5.82 (1.79) | −1.40 | β | .0025** |
| Poor sleep (FIQR) | 7.16 (2.43) | 5.72 (3.09) | 5.83 (2.83) | 6.11 (2.90) | −1.31 | β | .0592^ |
| Depression (FIQR) | 2.76 (2.60) | 1.68 (2.01) | 4.21 (2.67) | 3.75 (2.70) | −1.52 | β | .0199* |
| Poor memory (FIQR) | 5.40 (2.57) | 4.20 (2.75) | 5.21 (2.59) | 5.43 (2.52) | −1.35 | β | .0213* |
| Anxiety (FIQR) | 4.20 (3.03) | 2.68 (2.59) | 4.54 (3.13) | 4.14 (2.19) | 1.28 | β | .0407* |
| Tenderness (FIQR) | 6.00 (2.74) | 5.00 (2.97) | 5.32 (2.29) | 5.96 (2.36) | −1.47 | β | .0077** |
| Poor balance (FIQR) | 4.64 (2.16) | 3.12 (2.44) | 4.64 (2.18) | 4.89 (2.54) | −1.77 | β | .0018** |
| Environment sensitivity (FIQR) | 6.20 (2.97) | 4.16 (2.78) | 6.75 (2.46) | 7.04 (2.25) | −2.62 | β | .0001*** |
| Overall improvement (PGIC) | 5.05 (0.72) | 3.69 (80.8) | 32.92 | β | <.0001*** | ||
| Total myalgic score | 38.03 (7.97) | 29.26 (12.19) | 36.44 (7.63) | 29.04 (10.54) | −1.22 | β | .6236 |
| Number of tender points | 17.32 (1.41) | 15.61 (2.45) | 17.07 (1.33) | 15.18 (3.71) | 0.28 | β | .7474 |
| Strength (timed chair rise) | 9.75 (3.01) | 11.88 (4.13) | 10.00 (3.17) | 10.64 (3.63) | 1.52 | β | .0344* |
| Balance-eyes open (SCBT) | 27.76 (4.82) | 30.00 (0.00) | 29.64 (1.89) | 29.29 (3.78) | 1.27 | β | .0881^ |
| Balance-eyes closed (SCBT) | 26.25 (7.72) | 29.60 (2.00) | 24.68 (8.91) | 27.32 (8.99) | 1.52 | β | .2427 |
Bootstrap values are bias corrected and accelerated, based on 5000 bootstrap replications.
*
p < 0.05.
**
p < 0.01.
***
p < 0.001.
^
p < 0.10 (trend).