For the TPP group in lesions 20 cm , the 24-month patency rates were 65.2 ( 95 % CI 0.50-0 .85 ) versus 26.7 % ( 95 % CI 0.12-0 .59 ; log rank p = 0.004 ) for VIABAHN ( ) versus BMS , and freedom from TLR was 80.0 ( 95 % CI 0.68-0 .94 ) versus 61.9 % ( 95 % CI 0.44-0 .87 ; log rank p = 0.13 ) .