Table 1.

The Simple Triage Scoring System

Variable	Odds ratio	95% confidence interval	Complex rule points	Simplified (final) rule points
Respiratory rate >30 breaths per minute	3.9	2.5-6.3	4	1
Shock index >1 (HR > BP)	2.8	1.8-4.2	3	1
Low oxygen saturation	2.8	1.8-4.2	3	1
Altered mental status	1.9	1.3-2.8	2	1
Age of 65 to 74 years	3.0	1.7-5.5	3	1
Age of at least 75 years	4.4	2.7-7.2	4	1

BP, blood pressure; HR, heart rate. Reproduced with the kind permission of Wolters Kluwer Health [14].