Skip to main content

Table 7 One way ANOVA test comparing between all subgroups regarding percentage initial, percentage post load, and percentage difference between initial and post load (RTL1) and percentage initial, percentage post load, and percentage difference between initial and post load (RTL2)

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

  Subgroups ANOVA
GIA GIB GIIA GIIB F P value
Initial; RTL 1% Range 31.35 33.4 31.33 33.33 23 30 20 25 31.153 < 0.001*
Mean ± SD 32.518 ± 0.872 32.464 ± 0.869 26.134 ± 2.755 22.868 ± 2.387
Post load; RTL 1% Range 36.7 42.5 36.67 42 41.33 47.67 40.33 45 7.097 0.003*
Mean ± SD 39.362 ± 2.462 39.202 ± 2.316 44.666 ± 2.418 42.866 ± 1.775
Paired test P value 0.007* 0.006* 0.001* < 0.001*  
% Difference Range 10.01 35.57 10.02 34.06 37.78 −- 107.25 70.42 118.33 18.784 < 0.001*
Mean ± SD 21.192 ± 9.569 20.886 ± 8.998 73.160 ± 26.821 89.060 ± 20.825
Initial; RTL 2% Range 42.67 46.67 17.67 25 41.33 47.67 21 23.67 189.380 < 0.001*
Mean ± SD 44.402 ± 1.623 22.200 ± 2.753 44.666 ± 2.418 22.600 ± 1.091
Post load; RTL 2% Range 46.67 53.33 51.33 57.33 43.33 50 53.67 61 14.492 < 0.001*
Mean ± SD 49.866 ± 2.408 54.066 ± 2.253 47.598 ± 2.734 57.734 ± 3.092
Paired test P value < 0.001* < 0.001* 0.036* < 0.001*  
% Difference Range 9.37 14.29 127.14 190.57 3.65 15.38 143.94 165.08 165.250 < 0.001*
Mean ± SD 12.280 ± 1.975 146.074 ± 26.441 6.636 ± 4.913 155.532 ± 9.014
  1. *Statistical significant