Table VI.
Results of breast cancer N staging in US and MRI.
| Pathological T staging | US consistent with pathology, n (%) | MRI consistent with pathology, n (%) | US combined with MRI consistent with pathology, n (%) | χ2 value | P-value |
|---|---|---|---|---|---|
| N0 (n=75) | 60 (80.00) | 69 (92.00)a | 69 (92.00)a | 4.485 | 0.034 |
| N1 (n=37) | 30 (81.08) | 32 (86.49) | 34 (91.89) | 1.850 | 0.397 |
| N2 (n=20) | 13 (65.00) | 17 (85.00) | 19 (95.00)a | 6.234 | 0.044 |
| N3 (n=8) | 4 (50.00) | 7 (87.50) | 7 (87.50) | 4.200 | 0.135 |
| Total (n=140) | 107 (76.43) | 125 (89.29)a | 129 (92.14)a | 16.250 | <0.001 |
a
P<0.05 compared with US in the same N staging.