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Table 1 Paired t-test for comparing linear measurement values (mm) between the three digital models with values from the digital caliper

From: Reliability and validity of miniscrews as references in cone-beam computed tomography and intraoral scanner digital models: study on goat heads

Measurement

Mean bias

Standard deviation

95% confidence interval

t

P

Homolateral side

 CBCT1

0.31

0.20

0.24 to 0.38

9.111

< 0.001

 CBCT2

0.11

0.21

0.02 to 0.21

2.450

0.024

 IOS

0.25

0.20

0.18 to 0.32

7.206

< 0.001

Contralateral side

 CBCT1

0.25

0.28

0.16 to 0.34

5.637

< 0.001

 CBCT2

0.19

0.26

0.02 to 0.37

2.473

0.033

 IOS

0.04

0.27

−0.04 to 0.13

0.986

0.330

Total linear measurements

 CBCT1

0.27

0.24

0.22 to 0.33

9.739

< 0.001

 CBCT2

0.14

0.22

0.06 to 0.22

3.505

0.001

 IOS

0.15

0.26

0.09 to 0.21

5.106

< 0.001