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Table 7 Stepwise multiple regression analysis of the effect of associated variables on removal torque values

From: Long-term evaluation of factors affecting removal torque of microimplants

Variables Regression coefficient p value
B β
Self-drilling (Y1)
 Length of microimplant (X1) 0.663 0.221  < 0.001
Pre-drilling (Y2)
 Diameter of microimplant (X2) 9.065 0.230 0.001
  1. B Unstandardized coefficient, β standardized coefficient, R2 coefficient of determination. Adjusted R2 = 0.047, in the self-drilling group. Adjusted R2 = 0.048, in the pre-drilling group
  2. Multiple linear regression equation: Y1 = −0.925 + 0.663 × X1; Y2 = −6.582 + 9.065 × X2