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Table 3 The univariate and multivariate analysis of factors related to progression free survival and overall survival

From: Additional chemotherapy improved local control and overall survival after stereotactic body radiation therapy for patients with oligo-recurrence

  Progression free survival Overall survival
  Univariate (p value) Multivariate (p value) Hazard ratio (95%CI) Univariate (p value) Multivariate (p value) Hazard ratio (95%CI)
Age: ≥ 70 vs < 70 0.195    0.638   
Gender: male vs female 0.607    0.774   
ECOG PS: 0 vs 1–2 0.435    0.866   
Lesion number: single vs multiple 0.008 0.010 0.46 (0.26–0.83) 0.053 0.112 0.43 (0.15–1.22)
Histology: CRC vs others 0.496    0.935   
Previous chemotherapy: yes vs no 0.378    0.927   
Posterior chemotherapy: yes vs no 0.088 0.126 1.60 (0.88–2.93) 0.035 0.078 2.72 (0.90–8.27)
  1. ECOG Eastern Cooperative Oncology Group, PS performance status, CRC colorectal cancer, CI confidence interval