Primary Outcome
BLOOD, HEART
Blood pressure control was measured with the control rate (ie, the proportion of participants with an SBP of <140 mm Hg and DBP of <90 mm Hg) and SBP and DBP readings at baseline and 6 months measured using the regularly calibrated Omron automatic electronic sphygmomanometer (HEM-7052; Omron Dalian Co Ltd) during the clinical visit. When a patient arrived at the hospital, a nurse would ask him or her to fill out the questionnaire first; then measure BP, height, and weight; and finally conduct a blood test. To reduce variation in the readings, all BP measurements were taken using the standardized technique, following the recommended method by the American Heart Association [