Skip to main content

Table 6 Multiple linear regression analysis using root resorption as dependent variable and expander type (EXPANDER), palatal expansion (PWE) and dento-alveolar expansion (DAE) as predictive variables

From: External root resorption and rapid maxillary expansion in the short-term: a CBCT comparative study between tooth-borne and bone-borne appliances, using 3D imaging digital technology

 

Model

 

Unstandardized coefficients

Standardized coefficients

t

p value

95,0% Interval Coefficient

R-squared

B

Standard Error

Beta

Lower Limit

Upper Limit

P1

(Costant)

0,760

14,66

1,84

-

7,96

0,00

10,92

18,39

EXPANDER

-8,02

0,96

-0,82

-8,37

0,00

-9,96

-6,08

PWE

-0,26

0,48

-0,05

-0,54

0,59

-1,23

0,71

DAE

-0,52

0,25

-0,20

-2,08

0,04

-1,03

-0,01

P2

(Costant)

0,746

17,29

1,53

-

11,31

0,00

14,19

20,39

EXPANDER

-6,41

0,76

-0,82

-8,44

0,00

-7,95

-4,87

PWE

0,58

0,41

0,14

1,43

0,16

-0,24

1,41

DAE

0,36

0,22

0,15

1,67

0,10

-0,08

0,81

M1

(Costant)

0,771

34,97

5,80

 

6,03

0,00

23,21

46,74

EXPANDER

-20,79

2,72

-0,80

-7,65

0,00

-26,30

-15,28

PWE

-1,78

1,50

-0,12

-1,19

0,24

-4,82

1,25

DAE

-1,66

0,79

-0,22

-2,09

0,04

-3,27

-0,05

  1. p values set at p < 0.05