The proportion of patients reporting confirmed ( < 3.9 mmol/L and/or severe ) hypoglycemic events during Ramadan was 3.0 % with vildagliptin and 7.0 % with gliclazide ( P = 0.039 ; one-sided test ) , and this was 6.0 % and 8.7 % , respectively , for any hypoglycemic events ( P = 0.173 ) .