Identifying factors that influence the length of stay in patients with Non-ST segment elevation acute coronary syndrome in Siriraj Hospital

Suksamai, J.; Neakeaw, N.; Daengsri, T.; Pongsana, D.; Pumprueg, S.

Journal of the Medical Association of Thailand 98(1): 1-6

2015


ISSN/ISBN: 0125-2208
PMID: 25775724
Document Number: 16581
Acute coronary syndrome is a leading cause of hospitalization from cardiac disease. The Siriraj NSTE-ACS registry was developed in 2012 as a single center registry. This study purpose is to identify factors affecting the length of stay of the patients in the registry. From January 2012 to March 2013, 130 patients were enrolled consecutively. The patients were classified into two groups; patients with length of stay > 5 days, and a group of patients with length of stay ≤ 5 days. Comparison of variables of interest among the patient groups was performed using appropriate statistic There were 130 patients in the study. Males were predominate (56.9%). More than 80% of the patients were classified as high-risk based on TIMI risk score ≥ 3. Most patients (64.6%) had LOS > 5 days. Among various variables, coronary angiogram during admission, heart failure at presentation, and GRACE risk score > 130 were associated with LOS > 5 days with the odds ratio of 4.05, 4.34, and 3.23, respectively. Reimbursement policy also had impact on LOS. Using universal coverage as a reference, odds ratio for LOS > 5 days for government paid policy and selfpaid/private insurance policy were 0.28 and 0.05, respectively. Factors affecting LOS include CAG during admission, reimbursement policy, heart failure at presentation, and the GRACE risk score > 130. Heart failure at presentation had highest impact on length of stay with an adjusted odds ratio of 4.34.

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Identifying factors that influence the length of stay in patients with Non-ST segment elevation acute coronary syndrome in Siriraj Hospital