Fig. 1

Distribution of early warning scores and study outcomes stratified by each early warning score in emergency patients with pneumonia. For in-hospital mortality: (A) A-DROP score, (B) NEWS2 score, (C) REMS score. For mechanical ventilation: (D) A-DROP score, (E) NEWS2 score, (F) REMS score. Abbreviations: NEWS2, National Early Warning Score 2; REMS, Rapid Emergency Medicine Score