A CBC-derived score associated with dengue NS1 antigen positivity among suspected dengue patients in Dhaka: a retrospective model-development study

Background: Early diagnostic triage for suspected dengue is important in high-volume settings, yet confirmatory testing may be delayed or intermittently available. This study aimed to develop and internally validate a simple complete blood count (CBC)-derived score to estimate the likelihood of same-day dengue non-structural protein 1 (NS1) antigen positivity among suspected dengue patients in Dhaka, Bangladesh. Methods: We conducted a retrospective model-development study at Uttara Adhunik Medical College Hospital using data from patients with clinical suspicion of dengue between 19 August an

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