RESULTS	However , with initial titers > or = 1:4 , significantly higher cure rates were observed with azithromycin alone ( adjusted RR , 1.38 ; 95 % CI , 0.97-1 .96 ) , and with dual treatment of azithromycin and benzathine penicillin ( RR , 1.38 ; 95 % CI , 1.03-1 .87 ) compared with penicillin alone .\