Prevalence and associated factors of uncontrolled hypertension among Thai patients with hypertension: A nationwide cross-sectional survey

Abstract

Background Hypertension is the most common causes of cardiovascular diseases. The information on the prevalence of uncontrolled hypertension in Thailand is lacking. The objectives of this study were to determine prevalence of uncontrolled hypertension among Thai patients with hypertension and to determine factors associated with uncontrolled hypertension in a nationwide survey. Methods A cross-sectional study to assess national outcomes among patients with hypertension who visited 831 public hospitals in Thailand was conducted in 2015 to evaluate status of care among patients with hypertension aged at least 18 years who received medical treatment in the target hospital for the last 12 months. Results A total of 32,440 patients with hypertension were included in this study. Uncontrolled hypertension was detected among 8312 patients (25.6%). Multivariate analysis was conducted to determine which factors were most associated with uncontrolled hypertension, and the results showed age AORs 0.97 (95% CI: 0.96–0.98), diabetes comorbidity AORs 1.35 (95% CI: 1.13–1.60), waist circumferences ≥ 90 cm. AORs 1.18 (95% CI: 1.04–1.34), body mass index (BMI) ≥ 30 kg/m2 AORs 1.37 (95% CI: 1.15–1.62) and uric acid level ≥ 7 mg/dL AORs1.15 (95% CI: 1.01–1.30) were the highest associated factors for uncontrolled hypertension in this population. Conclusion Our data emphasized that uncontrolled hypertension was a problem among patients with hypertension. The results of this study could be used to recommend health information be provided to patients with hypertensions having comorbidity or any risk factors to be aware of uncontrolled hypertension and its complication.