Table 2 Diagnosis category, sub-diagnosis, and 30-day mortality according to emergency response for chest pain patients
From: Prehospital management and outcomes of patients calling with chest pain as the main complaint
Variable | Level | Ambulance dispatch (n = 50,627) | Other transports/Self-transport/Home visits (n = 10,383) | Self-care (n = 3,939) | Unknown or cancelled response (n = 1,813) | P-value |
|---|---|---|---|---|---|---|
Age | Median (IQR) | 60.4 (44.9–74.1) | 40.7 (27.1–55.4) | 29.3 (22.3–45.5) | 41.1 (25.9–62.1) | < 0.001 |
Sex | Male | 25,047 (49.5) | 5,284 (50.9) | 1,897 (48.2) | 925 (51.0) | 0.0078 |
Ethnicity | Ethnic Danes | 39,715 (78.6) | 7,426 (71.6) | 2,791 (70.9) | 1,287 (71.2) | |
Immigrants | 9,528 (18.9) | 2,151 (20.8) | 587 (14.9) | 383 (21.2) | ||
2nd gen. Immigrants | 1,271 (2.5) | 789 (7.6) | 557 (14.2) | 138 (7.6) | ||
Unknown ethnicity | 113 | 17 | 4 | 5 | < 0.001 | |
Diagnosis’ categories | Cardiovascular diseases | 16,272 (32.1) | 1,389 (13.4) | 79 (2.0) | 197 (10.9) | |
Pulmonary diseases | 2,791 (5.5) | 594 (5.7) | 65 (1.7) | 40 (2.2) | ||
Other non-cardiovascular/pulmonary diseases | 25,978 (51.3) | 8,004 (77.1) | 598 (15.2) | 662 (36.5) | ||
No diagnosis | 5,586 (11.0) | 396 (3.8) | 3,197 (81.2) | 914 (50.4) | < 0.001 | |
Primary diagnosis | ||||||
Cardiovascular diseases | Cardiac arrest | 163 (0.3) | ≤ 3 | ≤ 3 | ≤ 3 | |
Acute myocardial infarction | 4,626 (9.1) | 272 (2.6) | 13 (0.3) | 39 (2.2) | ||
Unstable angina pectoris | 2,172 (4.3) | 269 (2.6) | 11 (0.3) | 30 (1.7) | ||
Heart failure | 1,389 (2.7) | 58–61 | 9–12 | 12 (0.7) | ||
Ischemic heart disease | 1,237 (2.4) | 136 (1.3) | 7 (0.2) | 13–16 | ||
Atrial fibrillation | 2,315 (4.6) | 132 (1.3) | 7 (0.2) | 26 (1.4) | ||
Other cardiovascular diseases | 4,370 (8.6) | 519 (5.0) | 30 (0.8) | 74 (4.1) | < 0.001 | |
Pulmonary diseases | Pneumothorax | 121 (0.2) | 49 (0.5) | 8–11 | ≤ 3 | |
Chronic obstructive pulmonary disease | 694 (1.4) | 33 (0.3) | ≤ 3 | 4–7 | ||
Other respiratory diseases | 1,976 (3.9) | 512 (4.9) | 54 (1.4) | 32 (1.8) | < 0.001 | |
Other non-cardiovascular/pulmonary diseases | Diabetes Mellitus | 301 (0.6) | 39 (0.4) | 4 (0.1) | 6 (0.3) | |
Stroke – TCI | 59 (0.1) | ≤ 3 | 0 (0.0) | 0 (0.0) | ||
Bleeding | 161 (0.3) | 13 (0.1) | 5 (0.1) | 6 (0.3) | ||
Diseases of the nervous system | 397 (0.8) | 59 (0.6) | 9 (0.2) | 4 (0.2) | ||
Neoplasms | 269 (0.5) | 20 (0.2) | 5 (0.1) | ≤ 3 | ||
Certain infectious and parasitic diseases | 503 (1.0) | 148 (1.4) | 19 (0.5) | 18 (1.0) | ||
Diseases of the blood | 151 (0.3) | 16 (0.2) | ≤ 3 | 5 (0.3) | ||
Endocrine, nutritional, and metabolic diseases | 571 (1.1) | 66 (0.6) | ≤ 3 | 13 (0.7) | ||
Diseases of the eye and adnexa | 55 (0.1) | 4 (0.0) | ≤ 3 | ≤ 3 | ||
Diseases of the ear and mastoid process | 116 (0.2) | 13 (0.1) | ≤ 3 | 0 (0.0) | ||
Diseases of the digestive system | 1,710 (3.4) | 408 (3.9) | 28 (0.7) | 34 (1.9) | ||
Diseases of the musculoskeletal system and connective tissue | 1,827 (3.6) | 1,198 (11.5) | 68 (1.7) | 79 (4.4) | ||
Diseases of the skin and subcutaneous tissue | 55 (0.1) | 13 (0.1) | ≤ 3 | 0 (0.0) | ||
Diseases of the genitourinary system | 423 (0.8) | 44 (0.4) | 11 (0.3) | 7 (0.4) | ||
Pregnancy, childbirth, and the puerperium | 25–28 | 13 (0.1) | 5 (0.1) | 0 (0.0) | ||
Mental and behavioural disorders | 834 (1.6) | 115 (1.1) | 8 (0.2) | 21 (1.2) | ||
Certain conditions originating in the perinatal period | ≤ 3 | ≤ 3 | 0 (0.0) | 0 (0.0) | ||
Congenital malformations, deformations, and chromosomal abnormalities | 36 (0.1) | ≤ 3 | 0 (0.0) | ≤ 3 | ||
Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified | 12,496 (24.7) | 4,317 (41.6) | 239 (6.1) | 298 (16.4) | ||
External causes of morbidity and mortality | 572 (1.1) | 132 (1.3) | 29 (0.7) | 22 (1.2) | ||
Unspecific diagnosis | 5,414 (10.7) | 1,383 (13.3) | 156 (4.0) | 141 (7.8) | < 0.001 | |
Unknown or no diagnosis | - | 5,586 (11.0) | 396 (3.8) | 3,197 (81.2) | 914 (50.4) | < 0.001 |
30-day mortality | Mortality | 1,007 (2.0) | 28 (0.3) | 12 (0.3) | 11 (0.6) | < 0.001 |