Fig 2. Kaplan-Meier curves stratified as prehospital qSOFA-positive or prehospital qSOFA-negative.

A, In-hospital mortality censored at the discharge day. B, 28-day mortality censored 28 days after ED admission. C, 90-day mortality censored 90 days after ED admission. The vertical tick marks on the curves represent censoring due to survival discharge. p value < 0.01 (log-rank test). Abbreviation: qSOFA, quick sequential organ failure assessment; ED, emergency department.