From: Hand strength in patients with RA correlates strongly with function but not with activity of disease
Strength test | RAG | CG | CG-RAG difference | |
---|---|---|---|---|
Mean ± SD (kgf) | (%) | P | ||
Handgrip R | 17.74 ± 9.23 | 25.94 ± 8.33 | 30 | <  0.01 |
Handgrip L | 17.34 ± 8.87 | 25.85 ± 8.32 | 31 | <  0.01 |
2-point tip-to-tip pinch R | 3.47 ± 1.56 | 5.24 ± 1.49 | 32 | <  0.01 |
2-point tip-to-tip pinch L | 3.33 ± 1.58 | 4.98 ± 1.39 | 31 | <  0.01 |
3-point R | 4.55 ± 1.99 | 6.87 ± 2.10 | 32 | <  0.01 |
3-point L | 4.50 ± 2.05 | 6.57 ± 1.95 | 30 | <  0.01 |
Lateral pinch R | 6.02 ± 2.40 | 7.79 ± 1.96 | 21 | <  0.01 |
Lateral pinch L | 5.60 ± 2.31 | 7.26 ± 1.86 | 21 | < 0.01 |