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Table 2 Mean ± standard deviation and p-values between each group’s RMSE values of trueness

From: Optimum design of reference points distribution in three-dimensional reconstruction of dental model in intercuspal position

 

Mean ± SD

Group 1

Group 2

Group 3

Group 4

Group 5

Group 6

Group 7

Group 1

0.076 ± 0.010

N/A

0.123

 < 0.001*

 < 0.001*

0.272

0.999

 < 0.001*

Group 2

0.080 ± 0.009

0.123

N/A

 < 0.001*

 < 0.001*

 < 0.001*

0.037

 < 0.001*

Group 3

0.107 ± 0.011

 < 0.001*

 < 0.001*

N/A

 < 0.001*

 < 0.001*

 < 0.001*

0.007*

Group 4

0.046 ± 0.009

 < 0.001*

 < 0.001*

 < 0.001*

N/A

 < 0.001*

 < 0.001*

 < 0.001*

Group 5

0.072 ± 0.007

0.272

 < 0.001*

 < 0.001*

 < 0.001*

N/A

0.547

 < 0.001*

Group 6

0.079 ± 0.008

0.999

0.037

 < 0.001*

 < 0.001*

0.547

N/A

 < 0.001*

Group 7

0.124 ± 0.016

 < 0.001*

 < 0.001*

0.007*

 < 0.001*

 < 0.001*

 < 0.001*

N/A

  1. SD, standard deviation
  2. N/A = “Not applicable”; * p < 0.05