In multivariate analyses , LHW+ME was significantly more effective than ME for all four outcomes , with ORs of 3.62 ( 95 % CI = 1.35 , 9.76 ) for mammography ever ; 3.14 ( 95 % CI = 1.98 , 5.01 ) for mammography within 2 years ; 2.94 ( 95 % CI = 1.63 , 5.30 ) for CBE ever ; and 3.04 ( 95 % CI = 2.11 , 4.37 ) for CBE within 2 years .
