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Table 1 Demographic data of patients

From: Posterior pilon fracture treated by opening the fibula fracture gap

Factor OFFL (n = 31) TPL (n = 28) t test p value
Age at injury (years) 48.3 ± 13.2 45.0 ± 12.7 t = 0.970 0.336
Male sex (n) 14 (45%) 14 (50%) χ2 = 0.138 0.710
Causes of injury (n)    χ2 = 0.157 0.925
 Falls on sloping roads 13 (42%) 13 (46%)   
 Falls on flat roads 9 (29%) 8 (29%)   
 Traffic accidents 9 (29%) 7 (25%)   
Combined ankle subluxation 13 (42%) 9 (32%) χ2 = 0.603 0.437
Combined die-punch fragments 16 (52%) 14 (50%) χ2 = 0.015 0.902
Combined fractures of the medial malleolus 15(48%) 12(43%) χ2 = 0.181 0.670
  1. Open fibula fracture line group (OFFL); traditional posterolateral group (TPL)