Table 3. Pearson's correlation between Scleroderma Health Assessment Questionnaire (SHAQ) and short form-36 (SF-36), Health Assessment Questionnaire (HAQ) and Disabilities of the Arm, Shoulder and Hand (DASH).
| Questionnaires | Score - mean (SD) | Correlation with SHAQ | |
|---|---|---|---|
| SHAQ | 0.910 (0.681) | Pearson’s correlation | P-value |
| SF-36 | |||
| Physical function | 63.8 (28.1) | -0.843 | < 0.001 |
| Role - physical problems | 47.5 (45.1) | -0.684 | 0.001 |
| Body pain | 68.2 (30.5) | -0.839 | < 0.001 |
| General health | 59.1 (20.1) | -0.436 | 0.054 |
| Vitality | 52 (50) | ||
| Social function | 83.1 (27) | -0.646 | 0.002 |
| Role - emotional problems | 63.3 (45.8) | -0.565 | 0.009 |
| Mental health | 63.8 (29.5) | -0.656 | 0.002 |
| DASH | |||
| Component 2: work | 17.9 (25.9) | 0.546 | 0.128 |
| Component 3: overall score | 25.9 (21.5) | 0.948 | < 0.001 |
| HAQ | 0.844 (0.749) | 0.96 | < 0.001 |
Values expressed as mean (standard deviation, SD).