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Table 2 T tests for difference in the averages—quantitative values of n1 (5 to 12 years of age)

From: Dentofacial characteristics of oral breathers in different ages: a retrospective case–control study

  (n) IMSW IMIW ICSW ICIW
OB 277 67 64 54 57
NB 212 49 43 47 46
Means OB 9.56 47.04 45.3 33.76 27.53
Means NB 9.79 46.54 45.3 33.34 27.06
SD OB 1.84 3.63 4.32 4.45 2.68
SD NB 1.79 3.85 4.69 3.26 2.63
OB* 0.11 0.44 0.54 0.61 0.35
NB* 0.11 0.55 0.72 0.48 0.39
Difference of means −0.231779 0.496497 0.002362 0.423089 0.465446
CI 95 % 95 % 95 % 95 % 95 %
IC (−0.557135; 0.093576) (−0.905768; 1.898762) (−1.780811; 1.785535) (−1.106945; 1.953123) (−0.577590; 1.508483)
T value −1.4 0.7 0 0.55 0.89
p value 0.62 0.484 0.998 0.584 0.378
DF 459 99 85 96 97
  1. *Significant values