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Table 5 Outcomes of the intra-articular fractures in the modified technique group

From: Clinical efficacy of closed reduction and percutaneous parallel K-wire interlocking fixation of first metacarpal base fracture

  Injured side Uninjured side P value
Radial abduction (°) 64.5 ± 3.4 68.0 ± 3.9 0.003*
Palmar abduction (°) 60.4 ± 4.5 64.0 ± 3.5 0.001*
Flexion-Extension arc (°) 43.8 ± 4.0 49.1 ± 4.4 < 0.001*
Kapandji score 9.3 ± 0.7 9.7 ± 0.5 0.282
Grip strength (kg) 43.0 ± 6.5 42.1 ± 6.6 0.730
Pinch strength (kg) 9.0 ± 1.1 8.6 ± 1.1 0.311
Subjective force 9.1 ± 1.1   
Pain (VAS) 0.9 ± 0.8   
  1. Data are expressed as mean ± SD. *Statistically significant
  2. Strength was assumed to be 6% higher on the dominant side than the opposite side
  3. VAS visual analog scale (0–10)
  4. Subjective force (0–10)