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Table 3 Univariate analysis results for factors related to posterior malleolar fragment violation of S13 and S15

From: The risk of violating the posterior malleolar fracture when nailing the ipsilateral concomitant spiral distal tibial fracture

Clinical features S13 p-value S15 p-value
PMF spared PMF disrupted PMF spared PMF disrupted
FAR (%)a 0.14 (0.07–0.24) 0.24 (0.19–0.26) 0.004 0.14 (0.08–0.24) 0.24 (0.19–0.27) 0.003
HP (mm) 27.23 (23.6–0.71) 37.22 (33.12–41.03) < 0.001 28.16 (24.69–30.98) 37.22 (33.17–41.24) < 0.001
Bartoníček’s classificationb    0.004    0.015
 Type 2 9 0   9 9  
 Type 3 3 4   3 4  
 Type 4 15 24   19 20  
  1. Posterior malleolar fragment (PMF), height of posterior malleolar fragment (HP), fragment area ratio (FAR)
  2. aThe values are given as the median with Q25 and Q75. bThe values are given as the number of patients