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Table 4 Various descriptive statistics

From: Accuracy of triangular meshes of stone models created from DICOM cone beam CT data

  Total Planmeca80 Planmeca90 Newtom VG
No. of meshes 30 10 10 10
Mean threshold value1 2092 2155 2145 1975
Min threshold value1 1825 1925 1825 1825
Max threshold value1 2425 2425 2425 2225
SD1 184 177 193 135
95% CI1 2023–2161 2029–2281 2007–2283 1878–2072
Mean difference (mm)2 0.052 0.059 0.057 0.040
SD2 0.01 0.0063 0.0066 0.006
Min diffrence2 0.032 0.051 0.05 0.032
Max difference2 0.07 0.069 0.07 0.049
95% CI2 0.0040 0.0045 0.0047 0.0043
Mean < 95%3 0.17 0.18 0.18 0.13
Min < 95%3 0.1 0.15 0.16 0.10
Max< 95%3 0.21 0.21 0.21 0.16
Mean IQR4 0.067 0.073 0.074 0.052
Mean DI5 3.6 4.3 4.3 2.1
  1. 1The segmentation with the lowest Dissimilarity Index
  2. 2Statistics referring to the distribution of the median differences
  3. 3Values of differences for the 95% of the total number of points between the pairs of meshes (reference standard/CBCT)
  4. 4IQR interquartile range
  5. 5DI Dissimilarity Index