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Table 2 Radiographic measurements

From: Relationship between the bony correction angle and mechanical axis change and their differences between closed and open wedge high tibial osteotomy

   CWHTO OWHTO
FTA (°) Preop. 187.3 ± 8.7† 181.5 ± 5.5
  Postop. 167.8 ± 8.8* 167.8 ± 6.2*
%MAD Preop. −10.9 ± 32.3† 12.3 ± 25.1
  Postop. 72.3 ± 32.5* 75.6 ± 24.0*
%ATAD Preop. 52.1 ± 14.4 50.5 ± 6.1
  Postop. 40.1 ± 11.8*† 49.7 ± 6.0
%MTAD Preop. 49.8 ± 7.2 49.7 ± 5.6
  Postop. 51.2 ± 6.6 49.9 ± 6.4
%MTAD-%ATAD Preop. −2.4 ± 6.9 −0.8 ± 5.7
  Postop. 11.0 ± 7.6*† 0.2 ± 2.5
mMPTA (°) Preop. 82.1 ± 9.9 83.8 ± 6.8
  Postop. 97.9 ± 8.1* 96.6 ± 8.6*
JLCA (°) Preop. 6.0 ± 8.0† 3.6 ± 4.4
  Postop. 3.6 ± 5.4* 3.0 ± 3.0*
  1. * P <  0.05 vs Pre-op † P <  0.05 vs CWHTO
  2. FTA femorotibial angle, %MAD percentage of mechanical axis deviation, %ATAD percentage of anatomical mechanical axis deviation, %MTAD percentage of tibial mechanical axis deviation, mMPTA mechanical medial proximal tibial angle, JLCA joint line convergence angle, Preop. preoperative, Postop. postoperative