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Table 2 The univariate and multivariate analysis of factors related to local control

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

  Local control
  Univariate (p value) Multivariate (p value) Hazard ratio (95%CI)
Histology: CRC vs others 0.556   
Previous chemotherapy: yes vs no 0.406   
Posterior chemotherapy: yes vs no 0.020 0.047 0.13 (0.02–0.97)
Location: lung vs liver 0.044 0.569 0.74 (0.25–2.13)
MTD: ≥ 21 vs < 21 0.010   
GTV: ≥ 7 vs < 7 0.002 0.005 4.62 (1.57–13.58)
PTV BED10 dose: 95 ≥ vs < 95 0.582   
  1. CRC colorectal cancer, MTD maximum tumor diameter, GTV gross tumor volume, PTV planning target volume, BED biological effective dose, CI confidence interval