Table 2.
Key statistics from stepwise multiple regression analysis using COMPASS total score as dependent variable to identify independent predictors
| Unstandardised coefficients | Standardised coefficients | ||||
|---|---|---|---|---|---|
| Model | B | se | β | t | Significance |
| Constant | 7.066 | 2.202 | 3.209 | 0.001 | |
| ESSPRI total | 3.070 | 0.484 | 0.383 | 6.343 | 0.000 |
| HAD-A | 0.905 | 0.212 | 0.227 | 4.262 | 0.000 |
| ESSDAI | 0.589 | 0.225 | 0.128 | 2.620 | 0.009 |
| Mental fatigue | 1.223 | 0.584 | 0.125 | 2.094 | 0.037 |
| COMPASS total=7.066+3.070 (ESSPRI total)+0.905 (HAD-A)+0.589 (ESSDAI)+1.223 (Mental fatigue)+error | |||||
| R2=0.420 | |||||
COMPASS, Composite Autonomic Symptom Scale; ESSDAI, EULAR Sjögren's Syndrome Disease Activity Index; ESSPRI, EULAR Sjögren's Syndrome Patient Reported Index; HAD, Hospital Anxiety and Depression Scale.