From: Comparison of clinical and radiologic treatment outcomes of Kienböck’s disease
NRS at rest | Grip strength dominanta | Grip strength non-dominantb | DASH | Time to return to work in weeks | No. of complicationsc | MMWS | Same operationd | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Median | SD | Mean (%) | SD | Mean (%) | SD | Mean | SD | Mean | SD | n (%) | Mean | SD | n (%) | |
STT (n = 27) | 1 | 2 | 85 | 23 | 79 | 14 | 44 | 19 | 4 | 1 | 12 (44) | 70 | 7 | 24 (89) |
RSO (n = 14) | 1 | 1 | 87 | 17 | 66 | 9 | 43 | 19 | 4 | 1 | 3 (21) | 71 | 9 | 14 (100) |
VBG (n = 4) | 0 | – | 99 | 5 | 105 | – | 47 | 28 | 2 | 1 | 1 (25) | 78 | 10 | 4 (100) |
RSO and VBG (n = 2) | 3 | – | 6 | – | 78 | – | 54 | 11 | 4 | 1 | 0 | 75 | 14 | 0 |
Post-treatment differences | ||||||||||||||
STT vs. RSO (P value) | 0.88e | 0.86f | 0.19f | 0.59f | 0.93f | 0.19e | 0.93f | 0.20e | ||||||
Estimated clinically relevant difference | 2.5g | 20 | 20 | 20h | 2 | 20 | 20 | |||||||
Sample size calculation | 24 | 44 | 18 | 32 | 12 | 192 | 10 |