Letter to the Editor: Chest X-ray–based severity scores in COVID-19 - what do they tell us about oxygen needs?

The coronavirus disease 2019 (COVID-19) pandemic placed unprecedented strain on emergency departments (ED), demanding rapid, reliable, and widely accessible tools to guide early clinical decision-making. While computed tomography offers high sensitivity for detecting pulmonary involvement, its routine use is limited by cost, logistics, and patient volume. In this context, chest radiography despite its lower sensitivity regains relevance when combined with structured severity scoring systems. Moh