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Table 1 Descriptive statistics for continuous exposure variables and univariable analysis for % under advancement and mm under advancement

From: Relationship between Tibial conformation, cage size and advancement achieved in TTA procedure

 

Univariable Analysis for % under advancement

Univariable analysis for mm under advancement

Variable

Mean

Standard deviation

95% Confidence Interval

Regression coefficient

95% Confidence interval

p-value

adjusted R2

Regression coefficient

95% Confidence interval

p-value

adjusted R2

Angle a

33.45

3.84

32.86 - 34.05

0.45

0.16 - 0.74

0.003

0.05

0.05

0.02 - 0.09

0.001

0.06

Constant

 

0.38

- 9.43 - 10.19

0.94

 

−0.2

- 1.31 - 0.91

0.7

 

Angle b

30.25

4.35

29.58 - 30.92

0.15

−0.12 - 0.41

0.27

0.001

0.007

- 0.02 - 0.04

0.62

−0.005

Constant

 

11.05

2.9 - 19.11

0.007

 

1.38

0.47 - 2.30

0.003

 

Age

4.89

2.24

4.55 - 5.24

0.2

- 0.32 - 0.71

0.46

−0.003

−0.01

- 0.07 - 0.05

0.68

−0.005

Constant

 

14.53

11.77 - 17.29

< 0.001

 

1.67

1.36 - 1.98

< 0.001