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Table 1 Statistical analyses between preoperative and final follow-up results

From: Biplane opening wedge high tibial osteotomy with a distal tuberosity osteotomy, radiological and clinical analysis with minimum follow-up of 2 years

  Preoperative mean score ± SD Postoperative mean score ± SD 24 months postoperative mean score ± SD Comparison of preop and postop (P value) Comparison of preop and 24 months postop (P value) Comparison of postop and 24 months postop (P value)
Mechanical axis 9.2° ± 2.5° −0.2° ± 2.2° −0.4° ± 2.6° < 0.001 < 0.001 NS
Patellar height 0.94 ± 0.1 0.95 ± 0.08 0.95 ± 0.12 NS NS NS
Tibial slope 4.4° ± 2.1° 5.1° ± 1.4° 5.2° ± 1.4° NS NS NS
Lateral Patellar Tilt 13.1° ± 2.9° 12.9° ± 3.2° 12.8° ± 3.7° NS NS NS
  1. SD standard deviation, NS not significant
  2. Postoperative score is intended as immediate postoperative for patellar height and posterior tibial slope and 1-month follow-up for tibial slope ant lateral patellar tilt