Table 2.
Metastatic bone disease history
| Ibandronic acid treatment arm | ||
|---|---|---|
| Intravenous (n = 26) | Oral (n = 26) | |
| Sites of disease, n | ||
| Breast | 7 | 7 |
| Lung | 6 | 6 |
| Urogenital | 3 | 4 |
| Colon | 3 | 4 |
| Prostate | 4 | 1 |
| Other | 3 | 4 |
| Sites of bone metastases, n | ||
| Upper extremities | 5 | 1 |
| Lower extremities | 7 | 7 |
| Flat bones | 17 | 17 |
| Skull | 3 | 2 |
| Cervical spine | 1 | 3 |
| Thoracic spine | 13 | 13 |
| Lumbar spine | 6 | 11 |
| Sacral spine | 4 | 2 |
| Sacro-iliac joint | 5 | 4 |
| Total number of metastasesa | 61 | 60 |
| Bone metastases per patient, n | ||
| <3 foci | 15 | 15 |
| ≥3 foci | 11 | 11 |
aTotal number of metastases exceeds number of patients because some patients had >1 site of metastasis