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Table 5 Results of the multivariate analysis

From: Risk factors of distant brain failure for patients with newly diagnosed brain metastases treated with stereotactic radiotherapy alone

Parameter p value Hazard ratio 95% confidence interval for Hazard ratio
No. of metastases > 1 vs. 1 0.041 1.77 1.02-3.05
Total target volume (cc) ≤ 6 vs. > 6 0.049 0.59 0.35-0.99
Extracranial disease progressive vs. absent or controlled 0.005 2.55 1.33-4.87
IT (months) ≥ 60 vs. < 60 0.024 0.34 0.14-0.87
KPS score ≠70 vs. = 70 0.140 0.66 0.39-1.14
Histologic characteristics Melanoma vs. Others 0.416 1.66 0.49-5.58
  1. IT, interval time; KPS, Karnofsky performance score