Table 2 Correlation analyses between the KAM-time integral and the maximum KAM and the anthropometric and radiographic variables.

From: Correction to at least neutral alignment during high tibial osteotomy is sufficient in reducing the knee adduction moment

 

Age

Sex

Male: 1

Female: 2

Height

Weight

BMI

Positive KAM-time integral

Negative KAM-time integral

Maximum KAM

K-L grade (medial)

K-L grade (lateral)

mTFA

MPTA

LDFA

KJLO

AJLO

JLCA

Tibiofemoral translation

Positive KAM-time integral

0.145

-0.125

0.054

0.015

-0.004

 

-0.374

0.924

0.140

0.088

0.376

-0.240

0.184

0.036

-0.258

-0.011

0.036

(< 0.001)

(< 0.001)

(0.097)

(0.645)

(0.907)

 

(< 0.001)

(< 0.001)

(< 0.001)

(0.007)

(< 0.001)

(< 0.001)

(< 0.001)

(0.266)

(< 0.001)

(0.729)

(0.274)

Negative KAM-time integral

-0.064

0.064

-0.014

-0.038

-0.052

-0.374

 

 − 0.442

 − 0.026

 − 0.048

 − 0.095

0.076

 − 0.060

 − 0.037

0.034

0.037

 − 0.059

(0.050)

(0.050)

(0.669)

(0.251)

(0.113)

(< 0.001)

 

(< 0.001)

(0.435)

(0.140)

(0.003)

(0.021)

(0.065)

(0.254)

(0.301)

(0.253)

(0.069)

Maximum KAM

0.103

-0.087

0.016

-0.019

-0.021

0.924

-0.442

 

0.106

0.056

0.383

-0.250

0.199

0.026

-0.269

-0.031

0.025

(0.002)

(0.008)

(0.628)

(0.559)

(0.515)

(< 0.001)

(< 0.001)

 

(0.001)

(0.085)

(< 0.001)

(< 0.001)

(< 0.001)

(0.434)

(< 0.001)

(0.336)

(0.451)

  1. P-values are written in parentheses. BMI body mass index, KAM knee adduction moment, K-L Kellgren-Lawrence, mTFA mechanical tibiofemoral angle, MPTA medial proximal tibial angle, LDFA lateral distal femoral angle, KJLO knee joint line orientation, AJLO ankle joint line orientation, JLCA joint line convergence angle.
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