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Table 2 Summary of the model equations, the KOOS overall score being the dependent variable (n = 31)

From: Impact of graft and tunnel orientation on patient-reported outcome in anterior cruciate ligament reconstruction using bone-patellar tendon-bone autografts

 

Model summary

Parameter estimates

R squared

F statistic

DoF (ß1)

DoF (ß2)

p value

Constant (k)

ß 1

ß 2

TJA

.315

6.438

2

28

.005

492.508

− 11.926

.080

TSA

.196

3.406

2

28

.047

434.071

− 9.663

.060

TOJ

.012

0.171

2

28

.843

82.087

− .151

.001

TOS

.023

0.328

2

28

.723

87.172

− .223

.001

Graft-tunnel divergence

.250

4.675

2

28

.018

55.012

− 2.259

.133

  1. All equations are of the type y = k + ß1 × x + ß2 × x2, where y is the dependent variable, x is the independent variable; ß denotes a coefficient, and k is a constant
  2. DoF degrees of freedom