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Abstract

Dengue Hemorrhagic Fever (DHF) is an acute infectious disease that often requires hospitalization with a variable length of stay (LOS). Several factors have been shown to influence LOS; however, findings from previous studies conducted in different hospitals remain inconsistent. This study aimed to analyze the association between age, gender, platelet count, hematocrit level, and leukocyte count with LOS among patients with DHF at Nahdlatul Ulama Islamic Hospital (RSI NU) Demak. This study employed a cross-sectional design using medical record data from 64 hospitalized patients with DHF admitted between January and May 2025, selected through purposive sampling. The sample eligibility criteria included inclusion and exclusion criteria. The inclusion criteria were patients diagnosed with DHF (ICD-10: A90) who were hospitalized for ≥24 hours and had complete medical records. The exclusion criteria were patients with severe comorbidities or incomplete medical records. Data were analyzed using Spearman’s correlation test, which demonstrated a significant association between platelet count and LOS (rₛ = -0.322; 95% CI [-0.522; -0.080]; p-value = 0.009). The negative correlation coefficient indicates that an increase in platelet count was associated with a shorter LOS, although the strength of the association was weak. These findings indicate that platelet count plays an important role in determining the length of hospital stay among patients with DHF. Early monitoring of platelet count is important for supporting prognosis assessment and guiding therapeutic decision-making.

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Bahasa Abstract

Demam Berdarah Dengue (DBD) merupakan penyakit infeksi akut yang sering memerlukan perawatan di rumah sakit dengan lama rawat inap atau length of stay (LOS) yang bervariasi. Beberapa faktor terbukti mempengaruhi LOS, tetapi hasil penelitian sebelumnya di berbagai rumah sakit masih belum konsisten. Penelitian ini bertujuan untuk menganalisis hubungan antara usia, jenis kelamin, jumlah trombosit, nilai hematokrit, dan jumlah leukosit dengan LOS pada pasien DBD di Rumah Sakit Islam Nahdlatul Ulama (RSI NU) Demak. Penelitian ini menggunakan desain cross-sectional dengan data rekam medis 64 pasien DBD yang menjalani rawat inap pada Januari-Mei 2025 dan dipilih menggunakan teknik purposive sampling. Kriteria eligibilitas sampel meliputi kriteria inklusi dan eksklusi. Kriteria inklusi meliputi pasien DBD (ICD-10: A90) yang menjalani rawat inap selama ≥24 jam dengan rekam medis lengkap. Kriteria eksklusi meliputi pasien dengan komorbid berat atau rekam medis tidak lengkap. Analisis data menggunakan uji korelasi Spearman menunjukkan terdapat hubungan yang signifikan antara jumlah trombosit dan LOS (rₛ = -0,322; 95% CI [-0,522; -0,080]; p-value = 0,009). Nilai korelasi negatif menunjukkan bahwa peningkatan jumlah trombosit diikuti dengan penurunan LOS meskipun hubungan tersebut tidak terlalu kuat. Hasil penelitian ini menunjukkan bahwa jumlah trombosit berperan penting dalam menentukan lama rawat inap pasien DBD. Pemantauan dini jumlah trombosit penting untuk membantu menentukan prognosis dan mendukung penyusunan strategi terapi pasien.

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