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Abstract Community-acquired pneumonia (CAP) is a common cause of hospital admission and one of the major causes of death worldwide. The mortality of CAP varies between studies, with higher rates of death observed in those judged to have severe pneumonia. Because the reported incidence of CAP is increasing, the ability to accurately predict the mortality of CAP patients is essential during initial assessment. Initial assessing physicians have been shown to underestimate the risk of death, leading to inappropriate treatment and rising mortality. Therefore, to decrease the mortality of CAP, it is important to assess the severity of pneumonia at the initial assessment and then to determine whether advanced care is appropriate. Guidelines recommend validation of clinical risk assessment by validated scores like the CRB/CURB-65 score. However, negative and positive predictive values of these criteria to predict ICU admission are limited and some low-risk patients still have a relevant risk of dying. In this study, we aimed to make a comparative study between the CURB-65 and Quick Sepsis-related Organ Failure Assessment (qSOFA) scores in predicting the outcome and the need for mechanical ventilation in patients with pneumonia. The study included 100 patients presented to ED with pneumonia. The cases were initially assessed and according to the different outcomes, the patients were classified into 3 groups; patients who were discharged (46 patients), patients admitted into ward (11 patients) and patients admitted into ICU (43 patients). In the group of patients who were admitted into ICU, 26 patients required mechanical ventilation and 17 patients didn‟t require mechanical ventilation. After obtaining and informed consent from the cases or their relatives (if not conscious) full history were taken. General examination was conducted with calculation of different scores in the patients including Quick Sequential Organ Failure Assessment score and CURB-65 score. Local chest examination was conducted in all the cases which included inspection, palpation, percussion and auscultation. |