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Table 2 Sex‐based comparison of cephalometric measurements and tooth-size ratios between the two ethnic groups

From: Dentoskeletal and tooth-size differences between Syrian and Hungarian adolescents with Class II division 1 malocclusion: a retrospective study

 

Boys

Girls

Syrians (n = 19) Mean ± S.D

Hungarians (n = 19) Mean ± S.D

95% CI of Mean difference

p-value

Syrians (n = 24) mean ± S.D

Hungarians (n = 24) Mean ± S.D

95% CI of Mean difference

p-value

L

U

L

U

 Cephalometric measurements ∂

 Skeletal measurements

  Sagittal values

   SNA (°)

79.70 ± 2.72

83.43 ± 2.79

− 5.54

− 1.91

< 0.001

81.06 ± 2.50

80.69 ± 3.49

− 1.40

2.13

0.679

   SNB (°)

73.81 ± 2.93

76.73 ± 2.82

− 4.81

− 1.03

0.003

74.05 ± 2.85

74.24 ± 3.62

− 2.09

1.70

0.840

   ANB (°)

5.89 ± 1.46

6.70 ± 1.19

− 1.69

0.06

0.068

7.01 ± 1.75

6.45 ± 1.56

− 0.41

1.52

0.249

   ANS-PNS (mm)

56.44 ± 4.95

56.68 ± 3.12

− 2.97

2.49

0.859

55.00 ± 4.04

53.39 ± 3.15

− 0.50

3.71

0.132

   Go-Gn (mm)

73.13 ± 6.18

71.38 ± 5.05

− 1.96

5.47

0.345

71.93 ± 4.58

67.77 ± 4.50

1.52

6.79

0.003

  Vertical values

   ArGoMe (°)

124.08 ± 7.88

119.11 ± 6.25

0.30

9.66

0.038

125.29 ± 9.62

120.18 ± 6.67

0.30

9.92

0.038

   ∑ Bjork (°)

398.33 ± 5.75

392.16 ± 5.85

2.35

9.99

0.002

400.14 ± 6.43

394.53 ± 6.75

1.78

9.44

0.005

   Ar-Go (mm)

41.56 ± 5.11

44.48 ± 4.70

− 6.15

0.30

0.074

42.01 ± 4.81

39.98 ± 4.17

− 0.58

4.65

0.124

   SN/GoMe (°)

38.33 ± 5.76

32.16 ± 5.85

2.35

9.99

0.002

40.14 ± 6.43

34.53 ± 6.75

1.78

9.44

0.005

   S-Go:N-Me (%)

61.64 ± 4.09

66.71 ± 4.51

− 7.90

− 2.24

0.001

60.62 ± 4.69

64.47 ± 5.42

− 6.80

− 0.90

0.012

  Dental measurements

   U1/NA (°)

26.97 ± 4.18

26.98 ± 3.71

− 2.62

2.58

0.989

26.44 ± 2.60

28.16 ± 4.32

− 3.81

0.36

0.102

   L1/NB (°)

29.37 ± 5.56

28.80 ± 5.23

− 2.99

4.11

0.750

35.45 ± 4.34

27.50 ± 6.05

4.89

11.01

< 0.001

   U1-NA (mm)

5.86 ± 2.06

4.90 ± 2.11

− 0.42

2.33

0.166

6.21 ± 2.15

5.39 ± 2.29

− 0.47

2.11

0.208

   L1-NB (mm)

8.22 ± 2.03

6.88 ± 2.08

− 0.01

2.69

0.052

9.73 ± 1.96

5.52 ± 1.88

3.09

5.32

< 0.001

  Tooth-size ratios ∂

   Anterior ratio (%)

80.55 ± 2.95

79.42 ± 2.08

− 0.57

2.81

0.186

80.81 ± 2.60

77.89 ± 2.42

1.46

4.38

< 0.001

   Overall ratio (%)

92.74 ± 1.80

92.79 ± 2.33

− 1.42

1.32

0.941

92.92 ± 1.65

91.87 ± 1.98

0.00

2.11

0.051

  1. Italic values indicate significance of p value (p < 0.05)
  2. t-tests for independent variables
  3. S.D Standard deviation, CI Confidence interval