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Table 2 Mean ISQ values: inter-group comparison (columns) and intra-group changes over time (rows)

From: RFA measurements of survival midpalatal orthodontic mini-implants in comparison to initial healing period

 

T0

T1

T2

T3

T4

ANOVA

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

2 × 11 mm

33.35

3.53

28.1

3.99

24.63

4.46

22.9

6

24.39

5.82

< 0.001

          

***

2 × 9 mm

36.14

6.08

32.11

5.57

24.23

7.19

22.51

6.69

25.12

7.11

< 0.001

Difference

− 2.79

 

− 4.01

 

0.4

 

0.39

 

0.73

 

***

Inter-group (t test)

0.087

 

0.013

 

0.834

 

0.987

 

0.729

  
 

n.s.

 

*

 

n.s.

 

n.s.

 

n.s

  
  1. *p < .05, **p < .001, ***p < .0001