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Table 2 Comparison of means (± standart deviations) in the study group (N = 50) and the control standart means (± standart deviation) including the respective p-values of the t-test.

From: Effects of hypodontia on craniofacial structures and mandibular growth pattern

Values Mean values ± SD Norms ± SD Mean difference p-value
SNA (°) 80.28 ± 3.78 82.00 ± 3.00 -1.72 0.002**
SNB (°) 77.32 ± 4.31 80.00 ± 3.00 -2.68 0.000**
indiv.ANB (°) -0.76 ± 3.10 0.00 ± 2.00 -0.76 0.091
Wits appraisal (mm) -6.0E-03 ± 3.69 0.00 ± 1.00 -6.0E-03 0.991
ArGoMe (°) 126.89 ± 8.50 126.00 ± 6.00 0.89 0.464
Gn-Pt/Ba-N (°) 90.17 ± 5.61 90.00 ± 3.00 0.17 0.829
Hasund index 86.77 ± 8.66 79.00 ± 5.00 7.77 0.000**
Jarabak index 62.88 ± 5.59 63.50 ± 1.50 -0.62 0.438
ML-NL (°) 25.36 ± 6.85 23.50 ± 6.00 1.86 0.061
ML-NSL (°) 33.62 ± 6.93 32.00 ± 6.00 1.62 0.105
NL-NSL (°) 8.48 ± 4.16 8.50 ± 3.00 -2.00E-02 0.973
UI/ML (°) 72.08 ± 10.40 70.00 ± 5.00 2.08 0.168
LI/NL (°) 92.68 ± 8.56 92.00 ± 6.00 0.68 0.592
UI/LI (°) 132.99 ± 11.70 132 ± 6.00 0.99 0.569
Overbite (mm) 3.86 ± 1.51 2.00 ± 1.00 1.86 0.000**
Overjet (mm) 2.73 ± 1.93 2.00 ± 1.00 0.73 0.021*
  1. (In case of p < 0.05 the difference in values becomes significant).
  2. (SNA, SNB, Hasund ratio, overbite and overjet).
  3. * p = significant at the 5% level.
  4. ** p = significant at the 1% level.