Skip to main content

Table 3 Comparisons of clinical and radiological outcomes between pre-operative and 2 years postoperative

From: Assessment of valgus laxity after release of the medial structure in medial open-wedge high tibial osteotomy: an in vivo biomechanical study using quantitative valgus stress radiography

  Pre-operative 2 years postoperative p valuea
JOA score (points) 65.5 (10.1) 91.1 (8.3) < 0.0001
FTA (°) 179.6 (3.3) 169.6 (2.3) < 0.0001
HKA (°) −4.5 (2.9) 3.7 (1.9) < 0.0001
MA (%) 27.4 (12.6) 69.7 (13.0) < 0.0001
MPTA (°) 85.5 (2.8) 93.3 (2.5) < 0.0001
Insall-Salvati ratio (%) 0.9 (0.1) 0.9 (0.1) N.S.
PTS (°) 8.5 (3.2) 11.0 (3.4) < 0.0001
  1. JOA score Japanese Orthopaedic Association score for osteoarthritic knee, FTA lateral femorotibial angle, HKA hip knee angle, MA mechanical axis, MPTA medial proximal tibial angle, PTS posterior tibial slope.
  2. aSignificance levels with Student’s t-test