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We assessed the quick Sequential Organ Failure Assessment (qSOFA) score as a predictor of in-hospital mortality or prolonged ICU stay in Emergency Department (ED) patients with suspected infection. We measured qSOFA in a cohort of 11,205 ED patients with suspected infection. The primary outcome was in-hospital mortality and/or ICU stay ≥3 days. The qSOFA score was positive in 2429 (21.7%) patients. In-hospital mortality, and in-hospital mortality or ICU stay ≥3 days were 12.8% and 17.2% respectively for qSOFA positive patients vs 2.2% and 4.2% for qSOFA negative patients (p < .0001). For the prediction of in-hospital mortality, a positive qSOFA had a positive predictive value (PPV) of 13% (95% CI, 11-14) and a negative predictive value (NPV) of 98% (95% CI, 97-98). For the prediction of in-hospital mortality or ICU stay ≥3 days, the PPV and NPV of a positive qSOFA were 17% (95% CI, 16-19) and 96 (95% CI, 95-96), respectively. Among ED patients with suspected infection, a positive qSOFA identified those at much greater risk of mortality and longer ICU stay. |
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