الفهرس 
Introduction and BackgroundOnly 14 pages are availabe for public view
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Abstract
SARS-COV2 infection (with its popular name COVID-19) is one of the most terrible pandemics invading the world in the last two years. It is RNA virus which causes severe viral pneumonia leading to respiratory failure, venous thromboembolism & multi-organ failure. Medical facilities & equipment are depleted and exhausted even in the big hospitals of the developed world.
All countries have been affected by this virus. The disease started for the first time in Wuhan, China, in December 2019. Till April 2022, there were more than 485 million confirmed cases of COVID-19 infection and they included more than 6 million deaths due to COVID-19 or its complications.
Many scoring systems have been developed in era of COVID-19 infection to help prognosis of the patients and predict their clinical deterioration. For example, but not limited to: NEWS-2 (national early warning system-2, modified version) which developed by NHS in England, SIRS (systemic inflammatory response syndrome scoring system), qSOFA (quick sequential organ failure assessment score), COVID GRAM critical illness risk score (COVID-GRAM) & quick COVID-19 severity index (qCSI).
NEWS-2 scoring system is a good one, uses only clinical parameters included (respiratory rate, oxygen saturation, used supplemental oxygen, temperature, systolic blood pressure, heart rate & AVPU score). it’s of good value in patients with silent hypoxaemia and they aren’t aware of it.
The current study aimed to improve clinical outcome via early detection of the critically ill patients using NEWS-2 scoring system & Chest CT score. This descriptive analytical study was conducted on 54 COVID-19 patients, 98.1% had positive PCR, with mean age 55.52 ± 13.54 years. 5.6% among cases in this study needed O2 supplement. The most common route was through nasal cannula.
The National Early Warning Score -2 (NEWS-2) was 5.59±2.69 ranging from 0 – 11, while the Chest CT score was 13.5±3.19 ranging from 4 – 21.