Overall, 49.89% of the elderly population had hypertension; the prevalence of isolated systolic hypertension was 22.99%; hypertension classification following JNC VII: normal blood pressure was 13.44%; prehypertension was 39.7%; stage 1 hypertension was 26.26%, stage 2 hypertension was 20.6%.
Kết quả như sau: tỷ lệ THA chung là 49,89%; tỷ lệ THA tâm thu đơn độc là 22,99%; phân loại THA theo JNC VII: HA bình thường là 13,44%, tiền THA là 39,7%, THA giai đoạn 1 là 26,26%, THA giai đoạn 2 là 20,6%.