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Table 3 Assessment of functional outcome according to the Patient-Rated Hand/Wrist Evaluation (PRWHE)

From: Functional outcome and cost-effectiveness of pulsed electromagnetic fields in the treatment of acute scaphoid fractures: a cost-utility analysis

Variable Group A (Active) Group B (Placebo) p-value
Pain Subscale* (mean, [95% CI**])    
- Baseline 25.7 [21.4; 30.0] 26.8 [22.7; 31.0] 0.708
- 6 weeks 16.0 [12.4; 19.5] 15.4 [11.3; 19.4] 0.824
- 9 weeks 14.6 [11.1; 18.0] 15.4 [11.1; 19.6] 0.770
- 12 weeks 10.7 [7.4; 14.0] 10.2 [6.6; 13.9] 0.851
- 24 weeks 8.3 [4.9; 11.7] 7.2 [4.3; 10.1] 0.631
- 52 weeks 4.6 [2.1; 7.1] 3.7 [1.1; 6.3] 0.626
Function Subscale (mean, [95% CI**])    
- Baseline 74.3 [67.9; 81.0] 68.1 [59.8; 76.3] 0.235
- 6 weeks 52.2 [44.3; 60.1] 47.5 [38.4; 56.5] 0.426
- 9 weeks 29.3 [21.0; 37.6] 34.9 [23.5; 46.3] 0.411
- 12 weeks 16.6 [9.3; 23.9] 20.8 [12.2; 29.3] 0.456
- 24 weeks 8.1 [4.0; 12.1] 6.4 [2.1; 10.7] 0.569
- 52 weeks 2.8 [0.8; 4.7] 3.4 [0.5; 6.2] 0.724
Total Score (mean, [95% CI**])    
- Baseline 62.9 [56.5; 69.3] 60.9 [53.1; 68.7] 0.687
- 6 weeks 42.1 [35.5; 48.7] 39.1 [31.0; 47.2] 0.565
- 9 weeks 29.2 [22.1; 36.4] 32.8 [23.4; 42.2] 0.531
- 12 weeks 19.0 [12.6; 25.4] 20.6 [13.2; 28.0] 0.738
- 24 weeks 12.3 [7.1; 17.6] 10.4 [5.7; 15.1] 0.586
- 52 weeks 5.9 [2.7; 9.2] 5.4 [1.5; 9.3] 0.832
  1. *Best possible outcome (no pain) = 0, worst possible outcome = 50.
  2. **CI, confidence interval.
  3. Best possible outcome (no functional disability) = 0, worst possible outcome = 100.
  4. ‡Best possible outcome (no pain & no functional disability) = 0, worst possible outcome = 100.