Skip to main content

Table 4 comparison between mouth breathing and nasal breathing with matched age, and anteroposterior skeletal class

From: Three-dimensional evaluation of hyoid bone position in nasal and mouth breathing subjects with skeletal Class I, and Class II

  7–9 years (n = 64) 10–12 years (n = 62)
Class I (n = 30) P value Class II (n = 34) P value Class I (n = 31) P value Class II (n = 31) P value
Mouth breathing (n = 15) Nasal breathing (n = 15) Mouth breathing (n = 19) Nasal breathing (n = 15) Mouth breathing (n = 16) Nasal breathing (n = 15) Mouth breathing (n = 16) Nasal breathing (n = 15)
Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD)
H-Mea 39.82 (4.14) 41.56 (4.04) 0.254 39.56 (7.01) 38.33 (5.11) 0.573 42.6 (5.61) 42.72 (5.26) 0.951 40.3 (5.27) 41.09 (6.57) 0.712
H-EBb 8.45 (2.71) 7.21(1.97) 0.092 9.82 (9.82) 6.76 (1.99) 0.015* 10.08 (3.82) 11.88 (5.04) 0.285 7.88 (2.94) 8.66 (2.55) 0.363
C3-Hb 25.12 (4.04) 24.87 (3.28) 0.884 25.42 (2.95) 25.68 (3.36) 0.754 27.61 (3.65) 32.36 (5.06) 0.002** 25.10 (2.52) 27.86 (2.88) 0.011*
C3-Meb 64.62 (4.40) 65.07 (5.38) 0.9 64.20 (7.55) 63.46 (6.63) 0.615 70.13 (7.61) 71.90 (5.52) 0.635 64.93 (6.68) 65.14 (11.35) 0.501
H-C3Mea 2.60 (1.88) − 0.99 (4.36) 0.006** − 1.67 (3.54) 1.68 (3.17) 0.007** 1.21 (4.83) 2.35 (4.83) 0.622 2.81 (4.16) 4.11 (4.16) 0.395
H-PNSa 51.04(2.31) 46.82 (5.49) 0.010* 45.8 (8.66) 49.54 (2.01) 0.006** 51.97 (5.76) 51.92 (9.21) 0.986 53.92 (3.63) 53.65 (5.18) 0.866
H-Hb 15.91 (17.72) 18.68 (9.60) 0.17 12.53 (8.66) 17.08 (5.99) 0.076 8.88 (5.71) 15.27 (8.47) 0.036* 12.74 (8.85) 14.32 (5.34) 0.968
H-Vb 82.38 (4.41) 75.94 (2.99) 0.0001*** 77.37 (6.83) 81.70 (3.50) 0.007** 88.45 (6.86) 90.18 (11.34) 0.874 90.96 (6.21) 88.24 (6.92) 0.205
  1. ****p < 0.0001, **p < 0.01, *p < 0.05
  2. aIndependent sample t-test
  3. bMann–Whitney U test