Correlation Between Platelet Nadir (% of Baseline) and Marrow Radiation Dose Predictors
| Method | Correlation coefficient (r) | ||
|---|---|---|---|
| Total patients (n = 33) | Patients with CT image (n = 20) | ||
| 1. GBq/m2 | 0.51 | 0.41 | |
| 2. Standard method based on blood (n = 27) | 0.31 | 0.39 | |
| 3. LV imaging and ref man RM mass (n = 33) | 0.67 | 0.70 | |
| 4. LV imaging and ref man RM mass adjusted by weight (n = 33) | 0.56 | 0.63 | |
| 5. LV imaging and ref man RM mass adjusted by height (n = 33) | 0.72 | 0.78 | |
| 6. LV imaging and ref man RM mass adjusted by BSA (n = 33) | 0.70 | 0.63 | |
| 7. LV imaging and ref man RM mass adjusted by lean body mass (n = 33) | 0.67 | 0.63 | |
| 8. LV imaging and ref man RM mass adjusted by trabecular bone volume (n = 20) | 0.85 | ||
LV = lumbar vertebrae; ref man = Reference Man.