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Table 1 Comparison of the sex and classification of malocclusion on measurements

From: Differences in the factors associated with tongue pressure between children with class I and Class II malocclusions

  Class I Class II Two-Way ANOVA
  Boys
(N = 12)
Girls
(N = 16)
Total
(N = 28)
Boys
(N = 16)
Girls
(N = 12)
Total
(N = 28)
(Effects) P value
  Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Boys vs. Girls Class I vs. Class II
Age (years) 8.88 (0.98) 9.06 (0.57) 8.98 (0.76) 8.73 (0.86) 8.97 (0.92) 8.83 (0.87) 0.366 0.594
Height (cm) 132.28 (7.80) 134.84 (8.80) 133.74 (8.33) 130.83 (10.21) 130.37 (6.44) 130.63 (8.65) 0.652 0.208
Body weight (kg) 29.49 (4.45) 31.34 (5.61) 30.55 (5.14) 30.05 (6.84) 27.74 (3.55) 29.06 (5.70) 0.875 0.305
Hand grip strength (kg) 14.67 (2.42) 14.06 (3.86) 14.32 (3.28) 12.25 (3.75) 11.83 (2.95) 12.07 (3.38) 0.578 0.014
DMFT index 5.17 (4.13) 2.06 (3.11) 3.39 (3.84) 3.94 (3.45) 4.00 (2.66) 3.96 (3.08) 0.100 0.698
Maximum occlusal force (kN) 0.44 (0.13) 0.40 (0.16) 0.42 (0.15) 0.34 (0.12) 0.30 (0.14) 0.33 (0.13) 0.335 0.011
Maximum tongue pressure (kPa) 38.31 (6.22) 36.81 (7.28) 37.45 (6.77) 32.33 (7.86) 27.79 (7.19) 30.39 (7.78) 0.128 0.000
Masticatory performance (mg/dl) 148.08 (38.23) 101.94 (46.31) 121.72 (48.24) 101.19 (44.99) 102.58 (38.50) 101.78 (41.58) 0.058 0.050
  1. DMFT, decayed, missing, and filled teeth; SD, standard deviation; ANOVA, analysis of variance