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Table 1 Vital signs categories according to Rapid Emergency Treatment and Triage System Adult (RETTS-A) (5). Each vital sign value corresponds to a triage priority in RETTS-A (green, yellow, orange, and red). The table presents the cut-off values for each vital sign according to RETTS-A and in parentheses are the number of patients in the study population with that corresponding vital sign value in that corresponding interval

From: The association between vital signs and mortality in a retrospective cohort study of an unselected emergency department population

 

Green

Yellow

Orange

Red

Airway

Open (n = 96486)

  

Threatened (n = 26)

SpO2 (%)

>95 (n = 79317)

90–95 (n = 10912)

<90 (n = 1848)

<90 with O2 (n = 397)

RR (min−1)

8–25 (86458)

 

26–30 (3401)

<8 (n = 32) or >30 (n = 2089)

PR (min−1)

50–110 (n = 84140)

40–49 (n = 601) or 111–120 (n = 4061)

<40 (n = 126) or R 121–130/IR 121–150 (n = 2440)

R >130 or IR > 150 (n = 1122)

SBP (mmHg)

≥90 (n = 91670)

  

<90 (n = 590)

AVPU

A (n = 89798)

V (n = 2063)

P (n = 478)

U (n = 205)

Temp (°C)

35–38.5 (n = 89077)

38.6–41 (n = 2180)

<35 (n = 391) or >41 (n = 4)

 
  1. Abbreviations: SpO2 Oxygen saturation, O 2 Oxygen, RR Respiratory rate, min minute, PR pulse rate, SBP systolic blood pressure, AVPU Alert, Verbal, responsive to pain, unresponsive to pain-level of consciousness scale, Temp temperature, n number