Table 4 Relationship between patient-reported outcome and clinical measuresa
Patient-reported outcome measure | Clinical outcome measures | ||||||
|---|---|---|---|---|---|---|---|
| Â | BASDAI | BASDAI fatigue | BASDAI pain | Total back pain | BASFI | Patient's global assessment of disease severity | Physician's global assessment of disease severity |
FACIT-Fatigue | -0.60 | -0.69 | -0.47 | -0.27 | -0.56 | -0.41 | -0.25 |
SF-36 | Â | Â | Â | Â | Â | Â | Â |
   Physical function | -0.45 | -0.36 | -0.40 | -0.41 | -0.72 | -0.46 | -0.36 |
   Role-physical | -0.37 | -0.32 | -0.29 | -0.37 | -0.40 | -0.42 | -0.29 |
   Bodily pain | -0.58 | -0.45 | -0.55 | -0.55 | -0.57 | -0.64 | -0.42 |
   General health | -0.31 | -0.30 | -0.25 | -0.20 | -0.38 | -0.30 | -0.31 |
   Vitality | -0.35 | -0.49 | -0.21 | -0.24 | -0.33 | -0.30 | -0.10a |
   Social function | -0.38 | -0.41 | -0.25 | -0.30 | -0.42 | -0.37 | -0.24 |
   Role-emotional | -0.22 | -0.22 | -0.16a | -0.16a | -0.19a | -0.20 | -0.18a |
   Mental health | -0.24 | -0.27 | -0.15a | -0.12a | -0.21 | -0.18a | -0.10a |
   PCS | -0.47 | -0.36 | -0.43 | -0.46 | -0.65 | -0.52 | -0.40 |
   MCS | -0.22 | -0.30 | -0.11a | -0.11a | -0.15a | -0.16a | -0.10a |