Table 6.
Correlation between triple-negative tumours and magnetic resonance imaging features
| Triple negative |
χ2 analysis p-value |
Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|---|
| OR (CI 95%)a | p-value | OR (CI 95%)a | p-value | ||||
|
No. of patients |
37 | ||||||
| Tumour size |
Median (mm) Range (mm) |
23 9–90 |
|||||
| ≥ 2 cm | 24/37 | 0.207 | 1.645 (0.756–3.577) | 0.209 | |||
| T2 intensity |
Hypointensity Isointensity Hyperintensity |
12/37 12/37 13/37 |
0.173 |
0.480 (0.218–1.056) 1.690 (0.737–3.875) 1.401 (0.630–3.116) |
0.068 0.215 0.409 |
||
| Mass enhancement | 30/37 | 0.967 | 1.020 (0.392–2.655) | 0.967 | |||
|
Shape (Mass) |
Round Oval Irregular |
26/30 0/30 4/30 |
0.001 |
7.150 (2.295–22.28) Out of scale 0.205 (0.066–0.640) |
0.001 0.006 |
5.319 (1.425–19.85) | 0.013 |
|
Rim enhancement |
22/30 | < 0.001 | 9.408 (3.613–24.50) | < 0.001 | 9.155 (2.537–33.04) | 0.001 | |
| Intralesional necrosis | 27/37 | < 0.001 | 5.559 (2.416–12.79) | < 0.001 | 0.846 (0.214–3.340) | 0.811 | |
|
Perilesional oedema |
30/37 | < 0.001 | 5.844 (2.352–14.52) | < 0.001 | 3.852 (1.092–13.59) | 0.036 | |
| Abnormal lymph nodes | 18/37 | 0.106 | 1.868 (0.871–4.003) | 0.108 | |||
| Intensity-to-time curve |
Type I Type II Type III |
3/37 10/37 24/37 |
0.969 |
0.931 (0.238–3.644) 1.111 (0.475–2.601 0.936 (0.426–2.059) |
0.919 0.808 0.870 |
||
| ADC value |
Very low Low Intermediate |
24/32 7/32 1/32 |
0.106 |
2.264 (0.921–5.565) 0.388 (0.152–0.986) 2.968 (0.180–48.88) |
0.075 0.047 0.447 |
4.762 (0.018–1277) | 0.584 |
| Extent of disease |
Unifocal Multifocal Multicentric |
15/37 10/37 12/37 |
0.530 |
0.765 (0.358–1.638) 0.872 (0.377–2.017) 1.600 (0.701–3.654) |
0.491 0.749 0.265 |
aOR Odds ratio, CI Confidence interval, ADC Apparent diffusion coefficient