RESULTS	At mid-term , knowledge of the OAR was similar for the ankle components ( score for mnemonic 10.9 ; control 10.2 ; 95 % confidence interval [ CI ] for difference = -0.3 to 1.7 ) and for the foot ( mnemonic 7.6 vs. control 7.5 ; 95 % CI for difference = -0.7 to 0.9 ) .\