Skip to main content

Table 1 Maximum fracture force (N) and stiffness (N/mm) of the five fixation types for metacarpal shaft fractures

From: Bone plate fixation ability on the dorsal and lateral sides of a metacarpal shaft transverse fracture

  Group Sample size Mean SD MAX MIN Pa
Maximum fracture force (N) LP_D 7 230.1 22.8 263.7 190.4 < 0.001
LP_L 7 59.0 7.9 70.5 45.0
RP_D 7 228.2 13.4 247.3 209.0
RP_L 7 44.5 3.4 51.1 38.8
KW 7 94.0 17.4 120.4 63.3
Stiffness (N/mm) LP_D 7 68.7 14.0 98.2 55.2 < 0.001
LP_L 7 10.6 1.7 14.6 9.1
RP_D 7 54.9 3.2 57.8 48.4
RP_L 7 9.4 1.2 11.7 8.3
KW 7 20.7 5.8 31.9 15.0
  1. Groups: LP_D locking plate with four locking bicortical screws on the dorsal side, LP_L locking plate with four locking bicortical screws on the lateral side, RP_D regular plate with four regular bicortical screws on the dorsal side, RP_L regular plate with four regular bicortical screws on the lateral side, KW two K-wires
  2. aOne-way analysis of variance