Table 5 Mean and SD of linear measurements for the planned (T1–T0), the achieved (T2–T0), the imprecision (lT2–T1l) and the accuracy (%)

25

2.13

1.73

1.81

1.52

0.36

0.19

83.54

5.19

 < 0.001*

0.003*

25

3.53

2.39

2.82

1.92

0.76

0.43

79.99

4.26

 < 0.001*

0.003*

25

3.25

2.43

2.47

1.82

0.85

0.54

76.76

4.68

 < 0.001*

0.022*

25

2.16

2.21

1.59

1.63

0.74

0.33

73.14

3.57

 < 0.001*

0.102

25

1.30

2.16

0.90

1.47

0.68

0.43

67.28

4.37

0.006*

0.359

25

1.86

1.68

1.52

1.38

0.39

0.23

81.90

3.30

 < 0.001*

0.009*

25

2.72

1.72

2.19

1.39

0.56

0.30

80.05

2.96

 < 0.001*

0.003*

25

2.47

2.41

1.92

1.89

0.61

0.46

76.80

3.65

 < 0.001*

0.022*

25

1.15

1.98

0.84

1.46

0.50

0.34

73.43

3.74

0.006*

0.359

25

0.79

1.76

0.53

1.17

0.53

0.39

68.32

5.99

0.033*

0.609