Pearson correlations between PROMIS and HAQ scores, PB measures, and VAS symptom measures. Pain, fatigue, and stiffness are the VAS measures.
| Measures | Baseline | 6-week Followup | ||||
|---|---|---|---|---|---|---|
| Pain | Fatigue | Stiffness | Pain | Fatigue | Stiffness | |
| Fast walk | −0.24 | −0.19 | −0.18 | −0.2 | −0.16 | −0.17 |
| Normal walk | −0.2 | −0.17 | −0.19 | −0.21 | −0.17 | −0.2 |
| Left turn | 0.21 | 0.19 | 0.22 | 0.2 | 0.1 | 0.13 |
| Right turn | 0.21 | 0.17 | 0.21 | 0.27 | 0.2 | 0.18 |
| Chair stands | 0.25 | 0.19 | 0.3 | 0.31 | 0.18 | 0.25 |
| Left leg stand | −0.06 | −0.07 | −0.07 | −0.13 | −0.1 | −0.15 |
| Right leg stand | −0.03 | −0.05 | −0.05 | −0.07 | −0.08 | −0.08 |
| No. steps | −0.21 | −0.2 | −0.24 | −0.26 | −0.18 | −0.18 |
| PROMIS | −0.38 | −0.36 | −0.37 | −0.43 | −0.33 | −0.3 |
| HAQ | 0.46 | 0.38 | 0.41 | 0.42 | 0.38 | 0.38 |
Statistically significant data at the 0.05 level are in bold face. PROMIS: Patient-Reported Outcomes Measurement Information System; HAQ: Health Assessment Questionnaire; PB: performance-based; VAS: visual analog scale.