Table 3 Overview of the individual object analysis results divided in two groups representing lesions with a size on mammography of 0.2 mm or 2 mammography image pixels
From: High-resolution 3D micro-CT imaging of breast microcalcifications: a preliminary analysis
| Â | Â | Benign | Malignant | Test | Sign. |
|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | P = 0.05 |
| Â | Total Obj.N | 182 | 414 | Â | Â |
Objects ≤ 0.0042 mm 3 (and larger than 2 micro-CT image voxels) | Obj.V (mm 3 ) | 0.0011 ± 0.0010 | 0.0011 ± 0.0010 | T-test | ns |
Obj.S (mm 2 ) | 0.0504 ± 0.0374 | 0.0515 ± 0.0360 | T-test | ns | |
Obj.S/Obj.V (1/mm) | 80.00 ± 36.29 | 73.71 ± 29.43 | Independent samples Mann-Whitney U test | ns | |
St.Th (mm) | 0.0879 ± 0.0277 | 0.0882 ± 0.0315 | T-test | ns | |
SMI | 3.13 ± 0.23 | 3.16 ± 0.2 | T-test | ns | |
Obj.N | 93 (51%) | 262 (63%) | Â | Â | |
Objects > 0.0042 mm 3 | Obj.V (mm 3 ) | 0.0474 ± 0.0530 | 0.0152 ± 0.0230 | Independent samples Mann-Whitney U test | s |
Obj.S (mm 2 ) | 0.8218 ± 0.7996 | 0.3618 ± 0.3659 | Independent samples Mann-Whitney U test | s | |
Obj.S/Obj.V (1/mm) | 22.86 ± 7.14 | 29.71 ± 5.71 | T-test | s | |
St.Th (mm) | 0.2300 ± 0.0658 | 0.1684 ± 0.0375 | T-test | s | |
SMI | 3.02 ± 0.27 | 3.08 ± 0.21 | Independent samples Mann-Whitney U test | ns | |
| Â | Obj.N | 65 (36%) | 96 (23%) | Â | Â |