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. 2017 Oct 14;84(6):772–780. doi: 10.1016/j.bjorl.2017.09.003

Table 3.

Results of the t-Test for paired samples of before and after type, for the variable method error with a two-week interval on T2.

t-Test for paired samples Mean of difference Standard deviation of difference t Degrees of freedom p-value
Overjet (mm) –0.256 0.284 –2.013 4 0.1143
Overbite (mm) –0.010 0.387 –0.058 4 0.957
UIMD (mm) –0.078 0.380 –0.458 4 0.670
LIMD (mm) –0.006 0.254 –0.053 4 0.960
UICD (mm) 0.152 0.364 0.932 4 0.404
LICD (mm) 0.030 0.367 0.183 4 0.864
Little's irregularity (mm) –0.010 0.225 –0.099 4 0.925
IMPA (degrees) 0.940 2.007 1.047 4 0.354