TABLE 1.
Demographics and Disease Characteristics of Patients in Cohort
| Characteristic | Data |
|---|---|
| Number of patients | 268 |
| Extent of disease | |
| <6 metastases | 49 (18.3%) |
| 6–20 metastases | 212 (79.1%) |
| >20 metastases | 7 (2.6%) |
| Total number of lesions | 2,903 |
| Lesion locations | |
| Thoracic vertebrae (T5–T12) | 569 (19.6%) |
| Rib and sternum | 427 (14.7%) |
| Lumbar vertebrae | 928 (32.0%) |
| Pelvis | 979 (33.7%) |
| Lesion diameter | |
| <25 mm | 566 (19.5%) |
| 25–35 mm | 975 (33.6%) |
| >35 mm | 1,362 (46.9%) |
| Patient height (cm) | 173.1 (7.8) |
| Patient weight (kg) | 86.6 (21.1) |
| Mean uptake (kBq/mL) | |
| Background | 0.06 (0.015) |
| Bone | 0.16 (0.043) |
| Small intestine | 0.77 (0.26) |
| Large intestine | 0.77 (0.30) |
| Lesions | 0.64 (0.21) |
Data are count and percentage for categoric characteristics and mean and SD for quantitative characteristics.