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Table 3 Univariate analysis for local control and overall survival

From: Stereotactic body radiotherapy (SBRT) for locally advanced intrahepatic and extrahepatic cholangiocarcinoma

  Local control Overall survival
Variable HR (95% CI) p HR (95% CI) p
Location§ 0.554 (0.111-2.772) 0.472 0.847 (0.4364-1.970) 0.700
GTV diameter (cm) 0.809 (0.613-1.068) 0.135 1.005 (0.900-1.122) 0.933
CA 19-9 (U/ml) 1.000 (1.000-1.001) 0.506 1.000 (1.000-1.000) 0.113
Bilirubin (mg/dl) 1.003 (0.838-1.201) 0.972 0.970 (0.861-1.093) 0.618
PTV Volume (cm3) 0.997 (0.992-1.001) 0.163 1.000 (0.999-1.002) 0.892
Prescribed dose (Gy) 0.749 (0.461-1.217) 0.243 0.994 (0.938-1.052) 0.823
Maximum dose (Gy) 0.997 (0.907-1.094) 0.940 0.983 (0.939-1.029) 0.455
Mean dose (Gy) 1.060 (0.952-1.180) 0.286 0.991 (0.937-1.048) 0.750
EQD210 prescribed (Gy) 1.007 (0.938-1.081) 0.844 0.984 (0.944-1.025) 0.440
EQD210 Maximum (Gy) 0.975 (0.940-1.012) 0.184 0.996 (0.977-1.017) 0.723
EQD210 Mean (Gy) 0.971 (0.933-1.012) 0.148 0.993 (0.973-1.013) 0.474