Table 3.
Sentinel lymph node identification—per node.
| n = 534 | Nordic Trial (2 mL) n = 206 | Sentidose Trial (1.5 mL) n = 163 | Sentidose Trial (1.0 mL) n = 165 | p-Value |
|---|---|---|---|---|
| No. SPIO SLNs (mean) | ||||
| If magnetic signal > 0 | 1.83 | 1.85 | 2.18 | 0.003 * |
| If magnetic signal > 20 | 1.80 | 1.83 | 2.18 | 0.016 * |
| Nodal detection rate (%) | ||||
| If magnetic signal > 0 | 93.3 | 85.6 | 97 | <0.001 # |
| If magnetic signal > 20 | 92 | 84.9 | 97 | <0.001 # |
| No. SPIO SLNs, malignancy (mean) | ||||
| If magnetic signal > 0 | 1.11 | 0.8 | 1.18 | <0.001 * |
| If magnetic signal > 20 | 1.11 | 0.8 | 1.18 | <0.001 * |
| Nodal detection rate, malignancy (%) | ||||
| If magnetic signal > 0 | 93.8 | 79.5 | 100 | 0.005 # |
| If magnetic signal > 20 | 93.8 | 79.5 | 100 | 0.005 # |
| Nodal SPIO-RI concordance (%) | ||||
| If magnetic signal > 0 | 92.3 | 87.6 | 97.1 | <0.001 # |
| If magnetic signal > 20 | 100 | 87.2 | 96.8 | <0.001 # |
| Nodal SPIO-RI concordance, malignancy (%) | ||||
| If magnetic signal > 0 | 96.3 | 79.4 | 100 | 0.009 # |
| If magnetic signal > 20 | 100 | 74.4 | 100 | <0.001 # |
*: ANOVA, #: Pearson’s χ2 test.