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Clinical outcomes in COVID-19 among patients with hypertension in the Philippine CORONA Study
Adrian I Espiritu1,2,3, Ma Sergia Fatima P Sucaldito4, Deborah Ignacia D Ona5
1Division of Adult Neurology, Department of Neurosciences, College of Medicine and Philippine General Hospital, University of the Philippines Manila, Manila, Philippines. aiespiritu@up.edu.ph.
Insights
Hypertension significantly increases the risk of severe outcomes in COVID-19 patients, including death, respiratory failure, and ICU admission. This highlights the importance of managing hypertension for better COVID-19 prognosis.
Area of Science:
- Epidemiology
- Infectious Diseases
- Cardiovascular Medicine
Background:
- Hypertension is a prevalent comorbidity globally.
- The impact of hypertension on coronavirus disease 2019 (COVID-19) clinical outcomes requires further elucidation.
- Understanding these associations is crucial for patient management and public health strategies.
Purpose of the Study:
- To investigate the association between hypertension and clinical outcomes in a large cohort of hospitalized COVID-19 patients in the Philippines.
- To determine if hypertension is an independent risk factor for adverse outcomes in COVID-19.
Main Methods:
- Retrospective cohort study involving 10,881 patients admitted with COVID-19 across 37 hospitals in the Philippines.
- Data collected from February to December 2020.
- Statistical analyses included regression and time-to-event analyses, adjusted for multiple confounders.
Main Results:
- 33.5% of the 10,881 patients had hypertension.
- Hypertension was independently associated with significantly increased odds of in-hospital mortality (OR 1.33), respiratory failure (OR 1.99), ICU admission (OR 2.16), and severe/critical COVID-19 (OR 1.57).
- Time-to-event analysis revealed hypertension was linked to shorter times to mortality, respiratory failure, and ICU admission.
Conclusions:
- Hypertension is confirmed as an independent risk factor for worse clinical outcomes in hospitalized COVID-19 patients.
- Findings indicate increased risks for mortality, respiratory failure, ICU admission, and severe disease among hypertensive COVID-19 patients.
- Further research is recommended to explore the influence of hypertension characteristics (e.g., severity, control) on COVID-19 outcomes.
Objective:
To describe the association between hypertension and clinical outcomes in a cohort of patients with coronavirus disease 2019 (COVID-19).
Design:
Retrospective cohort study.
Setting:
Thirty-seven (37) hospitals in the Philippines.
Patients:
10,881 patients admitted for COVID-19 from February to December 2020.
Measurements And Main Results:
Among the 10,881 patients included in the Philippine CORONA Study, 3647 (33.5%) had hypertension. On regression analysis adjusted for confounders (age group, sex, smoking history, diabetes, chronic cardiac disease, chronic kidney disease, chronic respiratory disease, chronic neurologic disease, chronic liver disease, HIV/AIDS, and malignancy), patients with hypertension had significantly greater odds of in-hospital mortality (OR 1.33, 95% CI 1.17-1.52), respiratory failure (OR 1.99, 95% CI 1.75-2.28), ICU admission (OR 2.16, 95% CI 1.90-2.45) and severe/critical disease (OR 1.57, 95% CI 1.41-1.75), compared to patients without hypertension. The time-to-event analysis with confounder adjustment also showed that hypertension was significantly associated with shorter time-to-event outcomes of in-hospital mortality (HR 1.13, 95% CI 1.01-1.26), respiratory failure (HR 1.86, 95% CI 1.65-2.10), and ICU admission (HR 1.99, 95% CI 1.76-2.23).
Conclusions:
Our analysis of nationwide data confirmed previous findings that hypertension is an independent risk factor for worse clinical outcomes among patients hospitalized for COVID-19, with increased odds of in-hospital mortality, respiratory failure, ICU admission, and severe/critical COVID-19. More specific studies should be done to elucidate the impact of hypertension characteristics, such as chronicity, severity, drug therapy, and level of control on these clinical outcomes.
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