<b>Introduction:</b> Blunt trauma chest contributes to significant number of trauma admissions globally and is a cause of major morbidity and mortality. Many scoring systems and risk factors have been defined in past for prognosticating blunt trauma chest but, none is considered to be gold standard. </br> <b>Aim:</b> This study was conducted to reassess the significance of available scoring systems and others indicators of severity in prognosticating blunt trauma chest patients. </br> <b>Materials and Methods:</b> In this prospective observational study from November 2016 till March 2018, 50 patients with age more than 12 years with blunt chest trauma who required hospitalization were included. Nine risk factors were assessed namely- age of the patient, duration of presentation after trauma, number of ribs fractured, bilateral thoracic injury, evidence of lung contusion, associated extra thoracic injury, need for mechanical ventilation, Revised trauma Score (RTS) and Modified Early Warning Sign Score (MEWS). Severity of blunt thoracic trauma was assessed on following outcomes-SIRS, ARDS and Death. The inferences were drawn with the use of statistical software package SPSS v22.0. </br> <b>Results:</b> The age of 50 patients included in our study with a range of 15 to 76 years, the median age was 35.5 years. Statistically significant association was observed between occurrence of SIRS and multiple ribs fractured (p-value- 0.049), associated extra-thoracic injury (p-value-0.016) and higher MEWS score (p-value-0.025). ARDS occurrence was statistically significantly associated with all the risk factors except age.Death occurred more in patients with delayed duration of presentation to hospital (p-value <0.001), multiple ribs fractured (p-value-0.001), bilateral thoracic injury(p-value<0.001), associated extra-thoracic injury (p-value-0.004), patients who required ventilatory support (p-value<0.001), low RTS (p-value-0.006) and high MEWS (p-value-0.005) on admission. This association was found statistically significant. </br> <b>Conclusion:</b> High MEWS, associated extra-thoracic injuries and multiple rib fractured can very well predict poor outcome in terms of SIRS, ARDS and death. Aggressive treatment protocols should be established for better outcome in these patients with blunt trauma chest.

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Conclusion An important aspect of this study is that both major risk factors identified are modifiable to an extent, and while cholesterol levels can be controlled with lipid-lowering medication, smoking can be stopped with or without replacement therapy. We need to stress on the importance of smoke-reducing policies and, particularly, encouraging young patients to not start smoking.

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