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Hazard ratios for progression-free survival time by Number of Bone Metastasis and Treatment
| Number of Bone Mets at Study Enrollment | Treatment | Number of Patients | HR | 95% CI |
|---|---|---|---|---|
| ≤ 6 | No Strontium | 18 | 1.00 | |
| Strontium | 19 | 1.54 | (0.66, 3.56) | |
| > 6 | No Strontium | 22 | 1.00 | |
| Strontium | 20 | 0.68 | (0.34, 1.35) |
HR = hazard ratio; CI=confidence interval
