Both treatment arms were well tolerated , and hypoglycemic episode rates were similar between groups , with a rate ratio of 0.77 ( 95 % CI : 0.54 ; 1.09 ; p = 0.143 ) for all hypoglycemic episodes and 0.78 ( 95 % CI : 0.42 ; 1.43 ; p = 0.417 ) for nocturnal hypoglycemic episodes .