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Table 5 Epidemiological parameter and injury characteristics in patients with non-unions

From: Comparing case-control study for treatment of proximal tibia fractures with a complete metaphyseal component in two centers with different distinct strategies: fixation with Ilizarov frame or locking plates

   Non-union (N = 12) Union within 6 months (N = 118) P value
Mean ISS   16.1 ± 7.95 11.46 ± 6.75 .0015
Mean displacement (mm)   19.49 ± 6.35 11.89 ± 7.79 .0002
AO type A/C fractures (%)   41.7/6.6 58.3/93.4 .002
Smoking (%)   2 (16.6) 38 (32.2) .222
ASA grade (%) ASA 1 3 (25) 34 (28.8)  
  ASA 2 5 (41.6) 62 (52.5 .47
  ASA 3 4 (33.3) 22 (18.6)  
Age   50 ± 15.19 53.27 ± 14.72 .46
Deep infection (%)   3 (25) 8 (6.7) .065
Open fracture (%)   4 (33.3) 15 (12.7) .075
  1. ISS injury severity score, ASA physical status according to the American Society of Anesthesiologists