Table 1.
Comparison of patient and tumour characteristics between groups
| Carboplatin alone |
Carboplatin and doxorubicin |
P value | |
|---|---|---|---|
| Mean Age (years) | 8.8 | 8.0 | 0.67 |
| Sex | 1.00 | ||
| Female | 12 | 12 | |
| Male | 13 | 13 | |
| Breed | 0.009 | ||
| Golden Retriever | 6 | 3 | |
| Rottweiler | 5 | 2 | |
| Labrador Retriever | 6 | 0 | |
| Mixed Breed | 2 | 6 | |
| Other Purebred | 6 | 14 | |
| Mean Weight (kg) | 38.7 | 38.6 | 0.96 |
| Tumor location | 0.78 | ||
| Distal Radius | 8 | 9 | |
| Proximal Humerus | 6 | 3 | |
| Distal Femur | 4 | 3 | |
| Proximal Tibia | 3 | 3 | |
| Distal Tibia | 2 | 5 | |
| Other | 2 | 2 | |
| Histologic Subtype | 0.56 | ||
| Osteoblastic | 15 | 17 | |
| Chondroblastic | 4 | 3 | |
| Mixed | 2 | 1 | |
| Telangiectatic | 2 | 0 | |
| Fibroblastic | 1 | 2 | |
| Giant Cell | 0 | 1 | |
| Not available | 1 | 1 | |
| Mitotic Index | 1.00 | ||
| ≤5 mitoses/3hpf | 12 | 11 | |
| >5 mitoses/3hpf | 12 | 12 | |
| Not available | 2 | 1 | |
| Presurgical ALP | 0.52 | ||
| Normal | 19 | 16 | |
| Elevated | 5 | 8 | |
| Not available | 1 | 1 |