Tafenoquine @ mg and @ mg had better efficacy than chloroquine alone ( treatment differences @ % -LSB- @ % CI @-@ -RSB- , p < @ , with tafenoquine @ mg and @ % -LSB- @-@ -RSB- , p < @ , with tafenoquine @ mg ) , as did primaquine ( treatment difference @ % -LSB- @-@ -RSB- , p = @ ) .