“…The health outcome measures differed across studies and included cost per QALY in 8 studies, 13,15,23,24,26,27,30,31 cost per life-year saved in 3 studies, 15,16,25 cost per 1-mm Hg reduction in BP in 7 studies, 6,14,20,21,24,25,29 cost per improved BP control in 3 studies, 14,20,25 and cost per qualityadjusted days (QADs) in 1 study. 28 In 9 studies (4 of which were conducted in the UK, 13,23,26,30 2 in the US, 27,28 and the rest in Russia, 24 Australia, 15 and Singapore 31 ), a willingness to pay threshold (WTP) to determine whether an intervention was cost-effective was mentioned. A sensitivity analysis was conducted in 15 studies (94%) 6,[13][14][15][16]20,21,[23][24][25][26][27][28][29][30] (Table 3).…”