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Table 2 A and B Characteristics of patients according to triage priority based on vital signs. The triage priority based on vital signs as part of the rapid emergency treatment and triage system adult (RETTS-A) is based on the vital sign which deviates most from the normal range. The patient’s final triage priority is the more urgent of either the most deviant vital sign or the patient’s presenting symptom

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

Characteristic Green priority Yellow priority Orange priority Red priority Vital signs unknown All Missing
A
N (%) N = 69216 (71.7 %) N = 13302 (13.8 %) N = 6435 (6.7 %) N = 3838 (4.0 %) N = 3721 (3.9 %) N = 96512 0
Female sex 36604 (52.9 %) 6777 (50.9 %) 3249 (50.5 %) 1907 (49.7 %) 1661 (44.6 %) 50198 (52.0 %) 0
Age in years - mean ± SD 54 ± 21 65 ± 21 67 ± 20 68 ± 20 46 ± 20 56 ± 22 0
Vital signs –mean ± SD        
SpO2 (%) 97.6 ± 1.5 94.5 ± 2.5 93.4 ± 7.0 92.3 ± 7.3 - 96.6 ± 3.3 4038
RR (min−1) 16.7 ± 2.7 17.9 ± 3.3 23.0 ± 5.5 29.3 ± 9.9 - 17.8 ± 4.6 4532
PR (min−1) 79.8 ± 13.8 89.7 ± 20.4 100.5 ± 26.3 111.5 ± 33.1 - 84.0 ± 19.0 4022
SBP (mmHg) 147.2 ± 26.9 145.0 ± 28.5 144.0 ± 29.3 135.7 ± 36.9 - 146.2 ± 27.9 4252
DBP (mmHg) 81.1 ± 13.7 78.9 ± 15.0 79.5 ± 16.6 75.8 ± 20.8 - 80.4 ± 14.5 4460
Temp (°C) 36.8 ± 0.5 37.1 ± 0.9 36.9 ± 1.2 37.1 ± 1.1 - 36.9 ± 0.7 4860
AVPU        3968
Alert - % 100 89.4 89.1 83.1   97.0  
Verbal - % 0 10.6 5.0 8.9   2.2  
Responsive - % 0 0 5.9 2.6   0.5  
Unresponsive - % 0 0 0 5.4   0.2  
Supplemental O2 - N (%) 785 (1.1 %) 395 (3.0 %) 508 (7.9 %) 950 (24.9 %)   2638 (2.9 %) 4038
Irregular PR-N (%) 4101 (5.9 %) 1709 (12.9 %) 1776 (27.7 %) 873 (22.8 %)   8459 (9.1 %) 4019
B
N (%) N = 69216 (71.7 %) N = 13302 (13.8 %) N = 6435 (6.7 %) N = 3838 (4.0 %) N = 3721 (3.9 %) N = 96512 0
Comorbidities – N (%)        
Previously healthy 27246 (39.4 %) 2631 (19.8 %) 936 (14.5 %) 450 (11.7 %) 640 (17.2 %) 31903 (33.1 %)  
Cardiovascular disease 12489 (18.0 %) 3651 (27.4 %) 2196 (34.1 %) 1234 (32.2 %) 61 (1.6 %) 19631 (20.3 %)  
Cerebrovascular disease 2936 (4.2 %) 1040 (7.8 %) 478 (7.4 %) 291 (7.6 %) 14 (0.4 %) 4759 (4.9 %)  
Immunosuppressive disease 213 (0.3 %) 57 (0.4 %) 33 (0.5 %) 20 (0.5 %) 2 (0.1 %) 325 (0.3 %)  
Cardiac failure 1030 (1.5 %) 516 (3.9 %) 445 (6.9 %) 319 (8.3 %) 2 (0.1 %) 2312 (2.4 %)  
Kidney disease 666 (1.0 %) 216 (1.6 %) 154 (2.4 %) 109 (2.8 %) 1 (0 %) 1146 (1.2 %)  
Liver disease 258 (0.4 %) 109 (0.8 %) 35 (0.5 %) 40 (1.0 %) 0 (0 %) 442 (0.5 %)  
Lung disease 3220 (4.7 %) 1547 (11.6 %) 1159 (18.0 %) 821 (21.4 %) 34 (0.9 %) 6781 (7.0 %)  
Current malignancy 2307 (3.3 %) 765 (5.8 %) 364 (5.7 %) 265 (6.9 %) 17 (0.5 %) 3718 (3.9 %)  
Diabetes mellitus 4985 (7.2 %) 1542 (11.6 %) 800 (12.4 %) 448 (11.7 %) 36 (1.0 %) 7811 (8.1 %)  
Surgery past 6 months 496 (0.7 %) 104 (0.8 %) 42 (0.7 %) 16 (04 %) 2 (0.1 %) 660 (0.7 %)  
ED Section – N (%)        
Medicine 22216 (32.1 %) 4885 (36.7 %) 1658 (25.8 %) 813 (21.2 %) 226 (6.1 %) 29798 (30.9 %)  
Cardiology 14335 (20.7 %) 3306 (24.9 %) 3161 (49.1 %) 2186 (57.0 %) 153 (4.1 %) 23141 (24.0 %)  
Surgery 19987 (28.9 %) 3099 (23.3 %) 1112 (17.3 %) 639 (16.6 %) 316 (8.5 %) 25153 (26.1 %)  
Orthopaedia 9874 (14.3 %) 1634 (12.3 %) 409 (6.4 %) 127 (3.3 %) 626 (16.8 %) 12,670 (13.1 %)  
Other (e.g.. nurse, student) 2804 (4.1 %) 378 (2.8 %) 95 (1.5 %) 73 (1.9 %) 2400 (64.5 %) 5750 (6.0 %)  
Hospital admission 21471 (31.0 %) 6886 (51.8 %) 4371 (67.9 %) 3045 (79.3 %) 362 (9.7 %) 36135 (37.4 %)  
  1. Abbreviations: ED emergency department, N number of patients