Table 4.
Sarcosine-related metabolic phenotypes of breast cancer metastasis according to metastatic site
| Parameters | Total n = 162 (%) | Bone metastasis n = 47 (%) | Brain metastasis n = 39 (%) | Liver metastasis n = 24 (%) | Lung metastasis n = 52 (%) | p-value |
|---|---|---|---|---|---|---|
| Metabolic type | 0.047 | |||||
| High sarcosine type | 5 (3.1) | 0 (0.0) | 1 (2.6) | 0 (0.0) | 4 (7.7) | |
| Low sarcosine type | 36 (22.2) | 13 (27.7) | 4 (10.3) | 4 (16.7) | 15 (28.8) | |
| Intermediate sarcosine type | 4 (2.5) | 0 (0.0) | 1 (2.6) | 0 (0.0) | 3 (5.8) | |
| Null type | 117 (72.2) | 34 (72.3) | 33 (84.6) | 20 (83.3) | 30 (57.7) |