Training data | Validation data | Total | |
---|---|---|---|
[n = 77,866] | [n = 19,467] | [n = 97,333] | |
Age in (years) | 54.04 (± 19.20) | 54.23 (± 19.11) | 54.08 (± 19.18) |
ED triage to admission time | 7.87 (± 4.37) | 7.86 (± 4.36) | 7.87 (± 4.37) |
ED triage to ED discharge time | 8.97 (± 4.38) | 8.96 (± 4.36) | 8.97 (± 4.37) |
Triage vitals | |||
SBP (mmHg) | 133.45 (± 21.97) | 133.32 (± 21.9) | 133.43 (± 21.95) |
DBP (mmHg) | 76.86 (± 14.36) | 76.61 (± 14.38) | 76.81 (± 14.36) |
RR (breaths/min) | 24.58 (± 7.87) | 24.65 (± 7.9) | 24.59 (± 7.88) |
Temperature (0C) | 37.32 (± 0.78) | 37.32 (± 0.77) | 37.32 (± 0.78) |
Oxygen saturation (%) | 94.46 (± 7.46) | 93.95 (± 6.56) | 94.44 (± 5.48) |
Heart rate (BPM) | 102.18 (± 23.13) | 102 (± 23.08) | 102.14 (± 23.12) |
Gender | |||
Male | 41,402 (53.2%) | 10,298 (52.9%) | 51,700 (53.1%) |
Female | 36,464 (46.8%) | 9169 (47.1%) | 45,633 (46.9%) |
Triage category | |||
P1 | 23,968 (30.8%) | 6069 (31.2%) | 30,037 (30.9%) |
P2 | 27,257 (35%) | 6729 (34.6%) | 33,986 (34.9%) |
P3 | 24,331 (31.2%) | 6080 (31.2%) | 30,411 (31.2%) |
P4 | 1337 (1.7%) | 351 (1.8%) | 1688 (1.7%) |
P5 | 973 (1.2%) | 238 (1.2%) | 1211 (1.2%) |
Risk stratification | |||
Low risk (P1 and P2) | 26,624 (34.2%) | 6666 (34.2%) | 33,290 (34.2%) |
High risk (P3, P4, and P5) | 51,242 (65.8%) | 12,801 (65.8%) | 64,043 (65.8%) |
Seasons | |||
Winter (December, January, and February) | 27,650 (35.5%) | 7029 (36.1%) | 34,679 (35.6%) |
Summer (April, May, and June) | 30,881 (39.7%) | 7628 (39.2%) | 38,509 (39.6%) |
Weeks | |||
Weekend | 22,783 (29.3%) | 5657 (29.1%) | 28,440 (29.2%) |
Weekday | 55,083 (70.7%) | 13,810 (70.9%) | 68,893 (70.8%) |
Comorbid | |||
Diabetes mellitus | 14,732 (18.9%) | 3727 (19.1%) | 18,459 (19%) |
Hypertension | 18,363 (23.6%) | 4648 (23.9%) | 23,011 (23.6%) |
Ischemic heart disease | 4559 (5.9%) | 1118 (5.7%) | 5677 (5.8%) |
Triage presenting complaints/diagnosis | |||
Shortness of breath | 18,298 (23.5%) | 4583 (23.5%) | 22,881 (23.5%) |
Sepsis | 3383 (4.3%) | 844 (4.3%) | 4227 (4.3%) |
Chest pain | 6786 (8.7%) | 1689 (8.7%) | 8475 (8.7%) |
Sweating | 535 (0.7%) | 124 (0.6%) | 659 (0.7%) |
Tachycardia | 1546 (2%) | 397 (2%) | 1943 (2%) |
Weakness | 6640 (8.5%) | 1678 (8.6%) | 8318 (8.5%) |
COVID-19 | 4413 (5.7%) | 1100 (5.7%) | 5513 (5.7%) |
Shoulder pain | 4 (0%) | 3 (0%) | 7 (0%) |
Epigastric pain | 113 (0.1%) | 29 (0.1%) | 142 (0.1%) |
Cardiac parameters | |||
Complete heart block | 127 (0.2%) | 45 (0.2%) | 172 (0.2%) |
STEMI | 4946 (6.4%) | 1283 (6.6%) | 6229 (6.4%) |
NSTEMI | 4544 (5.8%) | 1083 (5.6%) | 5627 (5.8%) |
Unstable angina | 142 (0.2%) | 38 (0.2%) | 180 (0.2%) |
Heart failure | 934 (1.2%) | 237 (1.2%) | 1171 (1.2%) |
Cardiogenic shock | 3834 (4.9%) | 976 (5%) | 4810 (4.9%) |
Syncope | 336 (0.4%) | 88 (0.5%) | 424 (0.4%) |
Atrial fibrillation | 613 (0.8%) | 169 (0.9%) | 782 (0.8%) |
Acute pulmonary edema | 1600 (2.1%) | 393 (2%) | 1993 (2%) |
Fluid overload | 1402 (1.8%) | 381 (2%) | 1783 (1.8%) |
Hypertrophy | 7 (0%) | 3 (0%) | 10 (0%) |
Cardiac tamponade | 10 (0%) | 2 (0%) | 12 (0%) |
Mortality | |||
Alive | 69,191 (88.9%) | 17,254 (88.6%) | 86,445 (88.8%) |
Death | 8675 (11.1%) | 2213 (11.4%) | 10,888 (11.2%) |
Cardiac arrest | 4396 (5.6%) | 1087 (5.6%) | 5483 (5.6%) |