VHI-F VHI-E VHI-P VHI-T
RFA 5(range 4~7) 3(range2~4) 3(range2~5) 11(range9~15)
Open surgery 23(range7~27) 9(range4~11) 16(range6~18) 50(range17~55)
P <0.001 <0.001 <0.001 <0.001