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Table 3 Analyses between subjects with MB and NB grouped by skeletal classes I and II, and between subjects with skeletal classes I and II grouped by MB and NB

From: Three-dimensional evaluation of pharyngeal airway and maxillary arch in mouth and nasal breathing children with skeletal Class I and II

VARIABLES

Skeletal Class I

Skeletal Class II

MB

NB

MB (n = 17)

NB (n = 17)

P

MB (n = 18)

NB (n = 18)

P

Class I (n = 17)

Class II (n = 18)

P

Class I (n = 17)

Class II (n = 18)

P

M ± SD

M ± SD

M ± SD

M ± SD

M ± SD

M ± SD

M ± SD

M ± SD

NPV(mm3)

3626.63 ± 1028.87

5661.98 ± 2269.91

0.002**b

3194.71 ± 903.02

3843.31 ± 1158.02

0.069b

3626.63 ± 1028.87

3194.71 ± 903.02

0.195b

5661.98 ± 2269.91

3843.31 ± 1158.02

0.005**b

NPA(mm2)

115.71 ± 40.73

199.92 ± 44.93

0.000***a

105.61 ± 29.01

149.36 ± 44.22

0.001**a

115.71 ± 40.73

105.61 ± 29.01

0.402a

199.92 ± 44.93

149.36 ± 44.22

0.002**a

OPV(mm3)

13,414.95 ± 3689.61

18,838.41 ± 4367.04

0.000***a

12,394.61 ± 2919.81

14,750.96 ± 3741.34

0.043*a

13,414.95 ± 3689.61

12,394.61 ± 2919.81

0.369a

18,838.41 ± 4367.04

14,750.96 ± 3741.34

0.005**a

OPA(mm2)

480.74 ± 103.21

603.48 ± 84.94

0.001**a

423.66 ± 135.85

517.41 ± 164.03

0.071a

480.74 ± 103.21

423.66 ± 135.85

0.173a

603.48 ± 84.94

517.41 ± 164.03

0.062a

TPV(mm3)

17,041.58 ± 3741.72

24,500.40 ± 6035.87

0.000***b

15,589.32 ± 3368.72

18,594.27 ± 4303.40

0.026*b

17,041.58 ± 3741.72

15,589.32 ± 368.72

0.236b

24,500.4 ± 6035.87

18,594.2 ± 4303.40

0.002**

MWM(mm)

60.84 ± 2.79

65.67 ± 3.09

0.000***a

59.69 ± 3.31

65.07 ± 2.04

0.000***a

60.84 ± 2.79

59.69 ± 3.31

0.276a

65.67 ± 3.09

65.07 ± 2.04

0.498a

IMW(mm)

31.07 ± 2.69

36.90 ± 3.59

0.000***a

30.53 ± 2.68

34.99 ± 3.12

0.000***a

31.07 ± 2.69

30.53 ± 2.68

0.555a

36.90 ± 3.59

34.99 ± 3.12

0.102a

PH(mm)

10.98 ± 1.51

8.43 ± 1.26

0.000***a

12.45 ± 1.64

9.80 ± 1.88

0.000***a

10.98 ± 1.51

12.45 ± 1.64

0.010*a

8.43 ± 1.26

9.80 ± 1.88

0.017*a

MWC(mm)

35.53 ± 2.44

39.80 ± 3.17

0.000***b

31.92 ± 4.68

36.72 ± 2.53

0.001**b

35.53 ± 2.44

31.92 ± 4.68

0.008**b

39.80 ± 3.17

36.72 ± 2.53

0.03*b

ICW(mm)

22.67 ± 3.01

26.80 ± 2.17

0.000***b

21.62 ± 3.19

25.68 ± 1.98

0.000***b

22.67 ± 3.01

21.62 ± 3.19

0.326b

26.80 ± 2.17

25.68 ± 1.98

0.121b

PA(mm2)

727.79 ± 82.95

987.22 ± 126.52

0.000***a

661.77 ± 105.63

919.95 ± 114.67

0.000***a

727.79 ± 82.95

661.77 ± 105.63

0.049*a

987.22 ± 126.52

919.95 ± 114.67

0.108a

  1. M ± SD mean ± standard deviation, MB mouth breathing, NB nasal breathing
  2. *P < 0.05; **P < 0.01; ***P < 0.001
  3. aIndependent T test
  4. bMann Whitney U test
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BMC Oral Health

ISSN: 1472-6831

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