Association between outcome measures and number of nodes for total population expressed as β coefficient (95% CI)
| Association with number of nodes* | |
|---|---|
| Pain | |
| AUSCAN pain | 0.26 (0.12 to 0.39) |
| MHQ pain | 1.37 (0.77 to 1.98) |
| Number of painful joints | 0.50 (0.29 to 0.71) |
| Pain intensity | 0.29 (0.09 to 0.48) |
| Functioning | |
| AUSCAN function | 0.33 (0.09 to 0.58) |
| MHQ overall function | −0.77 (−1.20 to −0.35) |
| MHQ ADL | −0.56 (−1.06 to −0.06) |
| MHQ work performance | −0.34 (−1.07 to 0.39) |
| Grip strength (kg) | −0.17 (−0.39 to 0.05) |
| Pinch grip (kg) | 0.02 (−0.02 to 0.06) |
| HAMIS | 0.24 (0.17 to 0.31) |
| Fingertip to palm distance (mm) | 3.71 (2.79 to 4.64) |
| Health-related quality of life | |
| SF-36 PCS | −0.04 (−0.29 to 0.21) |
| SF-36 MCS | 0.06 (−0.23 to 0.35) |
| MHQ function satisfaction | −1.51 (−2.20 to −0.81) |
| MHQ aesthetic satisfaction | −0.79 (−1.24 to −0.33) |
↵* Adjusted for age, sex, body mass index and family effects.
ADL, activities of daily living; AUSCAN, Australian/Canadian Osteoarthritis Hand Index; HAMIS, Hand Mobility in Scleroderma; MCS, Mental Component Summary Scale; MHQ, Michigan Hand Outcome Questionnaire; PCS, Physical Component Summary Scale; SF-36, Short Form-36.