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Table 3 Reveals the preoperative clinical values and the change at the latest follow up. P-values Change are given for the difference between preoperative and postoperative values, P-Values Group for the differences between the two groups

From: Three-dimensional postoperative accuracy of extra-articular forearm osteotomies using CT-scan based patient-specific surgical guides

  Preoperative value Chance Chance Group
mean (± SD) mean (± SD) P-value * P-value **
Flexion (°) 69 (±16) 7 (±11) 0.005 * 0.21
Extension (°) 75 (±14) −3 (±14) 0.12 0.55
Pronation (°) 62 (±22) 10 (±19) 0.04 * 0.25
Supination (°) 65 (±26) 14 (±25) 0.33 0.90
Jamar (kg) 24 (±9) 5 (±6) 0.005 * 0.58
  1. * P < 0.05 significant change of the preoperative ROM or grip strength
  2. ** P < 0.05 significant difference between the groups