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Table 3 Outcome and complications

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

   External fixation (N = 62) Plate fixation (N = 68) P value
Healing n (%) 0–3 months 17 (27.4) 27 (39.7) .041*
  3–6 months 42 (67.7) 32 (47.1)
Non-union n (%) All fractures 3 (4.8) 9 (13.2) .099
  C1–3 3 (5) 4 (7.4) .45
  A2–3 0 5 (35.7) .324
Median ROM   107.5 ± 19 117.5 ± 20.9 .091
Mean MPTA   88 ± 4.25 88.32 ± 2.09 .677
Mean PPTS   9.3 ± 4.2 10.9 ± 4.5 .084
Extension deficit (%) 1–9° 10 (16.12) 10 (14.7) .822
  > = 10° 8 (12.9) 10 (14.7) .766
Knee stiffness (%)   7 (11.29) 9 (13.23) .736
Varus malalignment (%)   5 (8) 2 (2.9) .184
PPTS misalignment (%)   13 (20.1) 13 (19.1) .792
Total misalignment (%)   16 (25.8) 15 (22) .616
Knee instability (%)   5 (8) 3 (4.41) .309
Superficial infection (%)   25 (40.4) 2 (2.9) .000
Deep infection (%)   6 (9.67) 5 (7.35) .634
Reoperation (%)   8 (12.9) 10 (14.7) .766
HTO (%)   1 (1.6) 9 (13.2) .013
Signs of PO   42 (67.8) 34 (50) .02
PO difference (%) 0 42 45  
  1 10 17  
  2 9 4 .273
  3 1 2  
Mean difference PO   .50 (.80) .45 (.74) .933
Compartment sy. (%) Post-operatively 0 0  
N. peroneus paresis (%) Post-operatively 3 (4.83) 0 .106
DVT (%)   2 (3.22) 1 (1.47) .465
  1. The table provides an overview about outcome and complications in both groups
  2. ROM range of motion, MPTA medial proximal tibial angle, PPTS proximal posterior tibial slope, HTO heterotopic ossifications, PO posttraumatic osteoarthritis, DVT deep venous thrombosis, sy. syndrome
  3. *The value represents the significance level after logistic regression including the uneven distributed parameters ISS and smoking