Primary RFT scales | |||||
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Status at follow-up | n | Grip strength changea (kg) (mean ± SD) | Walking velocity changea (ft/min) (mean ± SD) | Button speed changea (buttons/min) (mean ± SD) | Global functional performance changea (mean ± SD) |
Unimproved | 440 | 0.42 ± 5.31 | 5.08 ± 59.73 | 0.16 ± 2.90 | 0.92 ± 8.72 |
Improved ACR20 | 117 | -2.94 ± 5.84 | -19.74 ± 51.98 | -1.18 ± 3.26 | -5.48 ± 9.91 |
Guyatt's ratiob | -0.55 | -0.33 | -0.40 | -0.63 | |
Improved ACR50 | 119 | -4.54 ± 6.56 | -30.30 ± 59.68 | -1.54 ± 2.94 | -7.86 ± 10.53 |
Guyatt's ratiob | -0.85 | -0.51 | -0.53 | -0.90 |