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Table 4 Independent samples T test for comparing the differences in the dental and skeletal changes after class II elastics phase for between the 2 groups

From: The efficiency of mandibular mini-implants in reducing adverse effects of class II elastics in adolescent female patients: a single blinded, randomized controlled trial

Variable

Group

  

Differences

95% Confidence interval of the difference

t

P value

 

Mean

SD

Mean

SD

Lower

Upper

SNA

C

− 0.33

2.23

0.78

0.97

− 1.22

2.79

0.81

0.42642

P > 0.05 NS

I

− 1.12

2.50

SNB

C

0.17

2.79

0.96

1.06

− 1.24

3.16

0.90

0.37587

P > 0.05 NS

I

− 0.79

2.39

ANB

C

− 0.50

1.57

− 0.13

0.51

− 1.18

0.92

− 0.26

0.79458

P > 0.05 NS

I

− 0.37

0.79

MMP

C

0.42

2.02

0.10

1.00

− 1.98

2.18

0.10

0.92150

P > 0.05 NS

I

0.32

2.83

MP/SN

C

1.38

2.23

1.01

0.89

− 0.84

2.85

1.13

0.26928

P > 0.05 NS

I

0.37

2.13

Y axis angle

C

2.30

4.67

0.15

1.40

− 2.76

3.06

0.11

0.91572

P > 0.05 NS

I

2.15

1.32

0.15

Lower facial height

C

2.30

4.91

0.17

1.55

− 3.05

3.39

0.11

0.91545

P > 0.05 NS

I

2.13

2.20

0.17

1.55

− 3.14

3.47

0.11

Effective maxillary length

C

0.75

5.28

0.05

1.75

− 3.58

3.68

0.03

0.97749

P > 0.05 NS

I

0.70

3.00

Effective mandibular length

C

2.00

8.34

0.03

2.71

− 5.59

5.65

0.01

0.99030

P > 0.05 NS

I

1.97

4.31

SN/occlusal plane

C

4.30

2.65

0.18

0.99

− 1.87

2.24

0.19

0.85482

P > 0.05 NS

I

4.12

2.18

U1 vertical position

C

1.67

3.39

0.61

1.18

− 1.85

3.06

0.51

0.61232

P > 0.05 NS

I

1.06

2.31

U1 AP position

C

− 0.30

3.82

4.05

1.40

1.15

6.95

2.89

0.00842

P < 0.01 HS

I

− 4.35

2.99

U1 inclination

C

− 3.33

1.61

5.23

1.92

1.26

9.21

2.73

0.01227

P < 0.05 S

I

− 8.57

6.45

U6 AP position

C

− 2.04

5.91

1.25

2.51

− 3.96

6.46

0.50

0.62360

P > 0.05 NS

I

− 3.29

6.38

U6 vertical position

C

0.08

2.16

− 0.50

0.68

− 1.90

0.90

− 0.74

0.46804

P > 0.05 NS

I

0.58

0.91

L1 inclination

C

5.42

2.81

0.97

0.92

− 0.93

2.86

1.06

0.30225

P > 0.05 NS

I

4.45

1.47

− 0.97

2.90

1.06

L1 AP position

C

1.33

1.44

0.31

0.63

− 0.99

1.61

0.49

0.62748

P > 0.05 NS

I

1.03

1.63

L1 vertical position

C

2.42

4.70

1.55

1.48

− 1.51

4.61

1.05

0.30515

P > 0.05 NS

I

0.87

2.02

L6 vertical

C

1.21

0.99

0.02

0.37

− 0.76

0.79

0.04

0.96483

P > 0.05 NS

I

1.19

0.84

L6 AP position

C

0.92

6.35

− 2.07

2.14

− 6.50

2.37

− 0.97

0.34422

P > 0.05 NS

I

2.98

3.82

  1. C conventional group, I mini-implant group