T/N Ratios Based on SPECT
| Parameter | Overall T/N ratio | Peak T/N ratio |
| Overall T/N ratio | 1.4 (0.9–2.8) | 2.0 (0.9–10.3) |
| T/N ratio for 2 largest lesions per patient | 1.7 (0.8–3.2) | 4.0 (0.5–10.3) |
| T/N ratio for hottest lesion per patient | 2.3 (1.2–3.4) | 5.1 (1.3–12.1) |
| Stratified for primary tumor type | ||
| Ocular melanoma patients (n = 6) | 2.2 (0.9–2.8) | 2.1 (0.9–3.6) |
| Colorectal carcinoma patients (n = 6) | 1.5 (1.2–2.4) | 3.6 (1.3–10.3) |
| Cholangiocarcinoma patients (n = 2) | 1.2 (1.2–1.2) | 1.7 (1.6–1.8) |
| Breast carcinoma patients (n = 1) | 1.4 (NA) | 1.5 (NA) |
| Stratified for liver tumor involvement | ||
| Liver tumor involvement ≥ 25% (n = 5) | 1.8 (1.1–2.6) | 3.6 (2.1–4.2) |
| Liver tumor involvement < 25% (n = 10) | 1.3 (0.9–2.8) | 1.5 (0.9–10.3) |
| Stratified for lesion vascularity | ||
| Patients with hypervascular lesions (n = 3) | 2.6 (1.8–2.8) | 3.3 (2.1–3.6) |
| Patients with nonhypervascular lesions (n = 12) | 1.3 (0.9–2.7) | 1.5 (0.9–10.3) |
NA = not applicable.
Data are median followed by range in parentheses.