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Table 3 Univariate analysis for overall survival

From: Predicting the survival of patients with bone metastases treated with radiation therapy: a validation study of the Katagiri scoring system

Variable Subgroups Entire cohort Validation cohort for the Katagiri’s scoring system
Median survival (m) P value Median survival (m) P value
Gender Men 8.0   3.0  
Women 4.0 < 0.001 9.0 < 0.001
Age ≤ 64 5.0   4.0  
≥ 65 4.0 0.604 3.0 0.529
KPS 10–60 3.0   3.0  
70–80 5.0   4.0  
90–100 8.0 < 0.001 8.0 0.007
ECOG PS 0–2 6.0   5.0  
3–4 3.0 < 0.001 3.0 0.003
Primary lesion Lung cancer 4.0   3.0  
Breast cancer 13.0   20.0  
Prostate cancer 8.0   8.0  
Others 4.0 < 0.001 4.0 < 0.001
Primary characteristics Slow 10.0   13.0  
Moderate 8.0   8.0  
Rapid 3.0 < 0.001 3.0 < 0.001
Visceral metastases No 11.0   11.0  
Nodular 4.0   4.0  
Disseminated 2.0 < 0.001 2.0 < 0.001
Laboratory data Normal 12.0   11.0  
Abnormal 4.0   4.0  
Critical 2.0 < 0.001 2.0 < 0.001
Previous chemotherapy No 6.0   5.0  
Yes 4.0 < 0.001 3.0 < 0.001
Multiple bone metastases No 5.0   4.0  
Yes 4.0 0.691 4.0 0.961
Katagiri score 0–3    27.0  
4–6    6.0  
7–10    2.0 < 0.001