Skip to main content

Table 3 Construct stiffness data in internal rotation and external rotation loading direction for different K-wire configurations or external fixator

From: Biomechanical analysis between Orthofix® external fixator and different K-wire configurations for pediatric supracondylar humerus fractures

Internal rotation loading Magnitudes (Nmm/degree) ANOVA (P) Comparison (P)
Mean ± SD (I) (II) (III) (IV) (V)
Two crossed K-wires (I) 101 ± 16 0.000 0.024 0.769 0.039 0.021
Two lateral K-wires (II) 84 ± 15 0.032 0.000 0.000
Three lateral K-wires(III) 99 ± 14 0.022 0.008
Three crossed K-wires (IV) 117 ± 18 0.795
External fixator (V) 119 ± 16
External rotation loading Magnitudes (Nmm/degree) ANOVA (P) Comparison (P)
Mean ± SD (I) (II) (III) (IV) (V)
Two crossed K-wires (I) 108 ± 15 0.000 0.032 0.451 0.077 0.134
Two lateral K-wires (II) 93 ± 14 0.005 0.000 0.000
Three lateral K-wires (III) 102 ± 14 0.249 0.432
Three crossed K-wires (IV) 121 ± 16 0.900
External fixator (V) 120 ± 19
  1. Italicized values are significantly different between two groups (P < 0.05)
  2. The values are given as mean ± standard deviation