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Table 4 Relationship between ΔMPTA and Δ%MA, ΔJLCA, or Δ(%MTA-%ATA)

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

  CWHTO OWHTO P value
Δ%MAD/ΔmMPTA 5.4 ± 4.3 4.9 ± 0.6 0.129
ΔJLCA/ΔmMPTA −0.19 ± 0.28 − 0.05 ± 0.22 < 0.001
Δ(%MTA-%ATA)/ΔmMPTA 0.94 ± 0.83 0.06 ± 0.36 < 0.001
  1. %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