Table 4 Impact of family income in hand osteoarthritis
Low | High | Mean difference (95% CI) | P value | |
|---|---|---|---|---|
N° painful joints at activity | 5.9 | 4.7 | −1.14 (−3.2, 0,91) | 0.273 |
Nº painful joints at palpation | 8.1 | 6.5 | −0.83 (−3.76, 0.68) | 0.173 |
Nº joints soft tissue swelling | 6.0 | 5.2 | −1.53 (−2.6, 0.91) | 0.346 |
Hand pain at rest (VAS) | 4.1 | 3.5 | −0.59 (−1.55, 0.35) | 0.217 |
Hand pain at activity (VAS) | 7.2 | 7.1 | −0.09 (−1.05, 0.86) | 0.848 |
Total number of IF nodes | 8.28 | 7.78 | −0.50 (−2.04, 1.03) | 0.518 |
Nº other sites with osteoarthritis | 1.1 | 1.0 | −0.10 (−0.53, 0.31) | 0.608 |
Pinch strengh (kg) | 1.4 | 2.2 | 0.81 (0.26, 1.35) | 0.004 |
Grip strengh (kg) | 13.2 | 16.8 | 3.60 (0.66, 6.54) | 0.017 |
Cochin | 21.5 | 17.1 | −4.37 (−10.6, 1.92) | 0.171 |
FIHOA | 11.1 | 7.4 | −3.69 (−6.36, −1.09) | 0.007 |
SF-12 | 32.1 | 32.6 | 0.52 (−0.70, 1.76) | 0.398 |
KL score (total) | 32.2 | 27.5 | −4.66 (−14, 4.72) | 0.319 |
Sérum CRP (mg/dl) | 0.44 | 0.24 | −0.19 (−0.46, 0.07) | 0.5 |