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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