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Table 4 Wall deformation measured for NIVBS and 2DSTE four angels (anterior—0 deg., left—90 deg., posterior—180 deg. and right—270 deg.)

From: A novel vision-based system for quantitative analysis of abdominal aortic aneurysm deformation

Patients Position NIVBS 2DSTT P
Probe AWD ni [mm] Probe AWD ni [mm]
1 2 3 4 1 2 3 4
1 A 4.86 4.67 4.87 4.78 4.37 ± 0.54 4.83 4.82 4.81 4.85 4.37 ± 0.55 0.9976
P 5.12 4.87 4.91 4.88 4.94 4.97 4.99 5.00
L 3.92 3.92 3.73 3.79 3.79 3.84 3.82 3.77
R 4.16 3.89 3.96 3.58 3.88 3.91 3.93 3.78
2 A 4.13 3.99 4.10 4.07 3.97 ± 0.19 4.10 4.06 3.99 4.01 3.95 ± 0.16 0.8905
P 4.16 4.15 4.21 4.16 4.10 4.15 4.20 4.15
L 3.92 3.75 3.58 3.92 3.73 3.76 3.78 3.75
R 3.89 3.73 3.79 3.96 3.93 3.81 3.83 3.87
3 A 3.79 3.54 3.61 3.78 3.68 ± 0.23 3.72 3.65 3.61 3.68 3.67 ± 0.18 0.9730
P 3.86 4.02 3.98 4.04 3.95 3.99 3.94 3.96
L 3.26 3.66 3.74 3.59 3.49 3.54 3.52 3.55
R 3.56 3.57 3.40 3.45 3.58 3.56 3.51 3.50
4 A 3.59 3.52 3.63 3.55 3.53 ± 0.19 3.63 3.59 3.61 3.59 3.55 ± 0.16 0.8754
P 3.77 3.77 3.77 3.79 3.76 3.81 3.74 3.73
L 3.40 3.47 3.51 3.39 3.51 3.47 3.53 3.49
R 3.50 3.15 3.43 3.24 3.32 3.31 3.38 3.35
  1. The number of patients was n = 4. Each patient was analyzed in 4 probes. Each probe for NIVBS was composed of 30 samples. A: Anterior, P: posterior, L: left, R: right, Average wall deformation ni—AWD ni