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. 2023 Jun 6;36(5):2179–2193. doi: 10.1007/s10278-023-00825-w

Table 2.

Summary statistics of technical features and annotations. Total, mean, or standard deviations are reported using a denominator equal to the number of scans (n = 60) except where indicated

CT scan dimensions
Axial matrix size 512
Axial voxel size (mm) 0.75 ± 0.09
Axial FOV (cm) 38.6 ± 4.9
Number of slices 127.9 ± 16.9
Slice thickness (mm) 3.72 ± 0.26
Longitudinal FOV (cm) 47.3 ± 5.1
Visual annotations
• Per segment
Gaze points 14.3 ± 7.0
Recording time (sec) 10.7 ± 5.3
Length (mm) 97.5 ± 61.6
• Per scan
Segments 59.4 ± 15.1
Gaze points 847.9 ± 228.1
Recording time (min) 10.6 ± 2.9
Length (meters) 5.8 ± 1.2
• All scans, two repetitions
Segments 7131
Gaze points 101,743
Recording time (hours) 21.2
Length (kilometers) 0.7