Emergency Medicine International / 2019 / Article / Tab 2

Research Article

Comparison of Reliability and Validity of the Chinese Four-Level and Three-District Triage Standard and the Australasian Triage Scale

Table 2

Association of the triage category with physiological indexes and outcomes (n = 1552).

VariableTriage systemTriage category
Level 1Level 2Level 3Level 4

Age (years, $)CHT57.0 (44.0, 69.0)60.5 (49.0, 71.0)55.5 (45.0, 68.0)57.5 (30.5, 70.0)<0.001
ATS59.0 (45.7, 70.0)60.0 (49.0, 70.0)58.0 (44.0, 69.0)64.0 (51.7, 68.0)<0.001

Temperature (°C, $)CHT36.5 (36.1, 37.7)36.5 (36.4, 36.8)36.7 (36.5, 36.8)36.6 (36.5, 36.8)<0.001
ATS36.7 (36.2, 37.3)36.5 (36.4, 36.8)36.7 (36.5, 36.8)36.5 (36.4, 36.9)<0.001

Respiration (times/min, $)CHT21.0 (20.0, 28.0)20.0 (20.0, 24.00)20.0 (20.0, 20.0)20.0 (20.0, 20.0)<0.001
ATS20.5 (20.0, 26.5)20.0 (20.0, 22.0)20.0 (20.0, 22.0)20.0 (20.0, 20.0)<0.001

Pulse (times/min, $)CHT118.0 (90.0, 134.0)90.0 (79.0, 108.8)87.0 (79.0, 103.5)87.5 (84.2, 101.5)<0.001
ATS107.5 (90.0, 126.5)87.0 (78.0, 107.0)90.0 (80.0, 105.0)73.5 (71.7, 90.7)0.001

Systolic blood pressure (mmHg, $)CHT135.0 (120.0, 159.0)131.0 (110.0, 154.0)124.0 (111.0, 150.0)127.5 (112.0, 141.5)-
ATS148.0 (129.7, 169.5)133.0 (112.0, 159.0)124.0 (110.0, 148.0)150.0 (108.0, 168.0)0.042

Diastolic blood pressure (mmHg, $)CHT83.0 (70.0, 99.0)77.0 (66.0, 89.0)75.0 (67.0, 86.0)69.5 (63.0, 84.5)-
ATS81.0 (70.0, 102.0)79.0 (68.0, 90.0)74.5 (66.0, 86.0)78.0 (72.5, 88.0)0.036

Blood oxygen saturation (%, $)CHT92.0 (80.0, 98.00)96.0 (91.0, 98.0)97.0 (95.0, 98.0)98.0 (97.2, 98.7)<0.001
ATS91.0 (78.0, 96.5)97.0 (91.0, 98.0)97.0 (95.0, 98.0)97.5 (96.2, 99.0)<0.001

Waiting time (min, $)CHT1.0 (1.0, 4.0)2.0 (1.0, 5.0)9.5 (2.0, 21.7)18.0 (10.0, 38.2)<0.001
ATS1.0 (1.0, 2.0)2.0 (1.0, 5.0)8.0 (2.0, 20.0)17.5 (4.3, 34.5)<0.001

Treatment time (min, $)CHT1.0 (1.0, 2.0)8.0 (2.0, 28.7)48.5 (25.0, 95.0)134.5 (85.5, 184.0)<0.001
ATS1.0 (1.0, 4.5)12.0 (2.0, 44.0)35.0 (15.0, 78.3)97.5 (83.7, 138.7)<0.001

Length of stay (days, $)CHT18.0 (11.5, 28.0)12.0 (9.0, 18.0)12.0 (8.0, 16.0)10.5 (9.0, 15.7)0.019
ATS18.0 (11.3, 28.0)12.0 (8.5, 19.0)12.0 (8.7, 16.0)14.0 (6.8, 21.3)0.023

Hospitalization rate (n, %)CHT35 (63.6)416 (72.3)418 (48.4)12 (20.3)<0.001
ATS32 (66.7)349 (71.7)494 (51.2)6 (11.3)<0.001

Total mortality rate (n, %)CHT18 (32.7)109 (19.0)38 (4.4)-<0.001
ATS19 (39.6)87 (17.9)57 (6.1)-<0.001

Emergency mortality rate (n, %)CHT12 (21.8)46 (8.0)9 (1.0)<0.001
ATS9 (18.8)38 (7.8)20 (2.1)<0.001

Disposition (n, %)CHT<0.001
ICU51 (92.7)491 (85.4)158 (18.3)-
Observation3 (5.5)73 (12.7)434 (50.3)24 (40.7)
Discharge1 (1.8)8 (1.4)218 (25.3)27 (45.8)
Outpatient3 (0.5)53 (6.1)8 (13.6)
ATS<0.001
ICU47 (97.9)367 (75.4)284 (29.5)2 (3.8)
Observation1 (2.1)99 (20.3)422 (43.8)12 (22.6)
Discharge16 (3.3)204 (21.2)34 (64.2)
Outpatient5 (1.0)54 (5.6)5 (9.4)

Note. , compared with level 1; , compared with level 1; , compared with level 2, , compared with level 2; , , compared with level 3, , compared with level 3. CHT, three-district and four-level triage standards of the Chinese Ministry of Health; ATS, Australasian Triage Scale; $, median (Q25, Q75).