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Table 3 Differences between pre- and postoperative 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

P value

ΔFTA (°)

−19.6 ± 10.6

−13.9 ± 7.1

<  0.001

Δ%MAD

83.2 ± 37.2

63.3 ± 26.2

<  0.001

Δ%ATAD

−12.0 ± 11.4

−0.8 ± 4.8

< 0.001

Δ%MTAD

1.4 ± 5.1

0.2 ± 4.8

0.05

Δ(%MTAD-%ATAD)

13.4 ± 9.5

1.0 ± 4.1

< 0.001

ΔmMPTA (°)

15.8 ± 7.8

12.8 ± 6.8

< 0.001

ΔJLCA (°)

−3.2 ± 3.8

−0.9 ± 3.1

< 0.001

  1. 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