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Table 8 Pair wise Tukey’s post hoc test between all subgroups regarding percentage initial, percentage post load, and percentage difference between initial and post load RTL

From: Effect of dynamic cyclic loading on screw loosening of retightened versus new abutment screw in both narrow and standard implants (in-vitro study)

Tukey’s test
   GIA GIB GIIA
Initial; RTL 1% GIB 1.000   
GIIA < 0.001* < 0.001*  
GIIB < 0.001* < 0.001* 0.070
Post load; RTL 1% GIB 0.999   
GIIA 0.009* 0.007*  
GIIA 0.107 0.087 0.600
% Difference GIB 1.000   
GIIA 0.002* 0.002*  
GIIB < 0.001* < 0.001* 0.528
Initial; RTL 2% GIB < 0.001*   
GIIA 0.997 < 0.001*  
GIIB < 0.001* 0.990 < 0.001*
Post load; RTL 2% GIB 0.096   
GIIA 0.542 0.007*  
GIIB 0.001* 0.167 < 0.001*
% Difference GIB < 0.001*   
GIIA 0.922 < 0.001*  
GIIB < 0.001* 0.722 < 0.001*
  1. *Statistical significant