Til sammenligning oplevede 68, 5% af patienterne, som blev behandlet med en ACE- hæmmer, hoste (p < 0, 05).
In a clinical trial of patients with a history of dry cough during ACE inhibitor therapy, 19.5% of trial subjects receiving valsartan and 19.0% of those receiving a thiazide diuretic experienced coughing, compared to 68.5% of those treated with an ACE inhibitor (p < 0.05).