Table 2 Characteristics of preexisting medical conditions a
Patients by transportation method, n(%) | |||
|---|---|---|---|
All patients, n(%) | Helicopter | Ground | |
(N = 24,293) | (N = 2,090) | (N = 22,203) | |
Neurological diseases | |||
Psychotic disorders | 1,620 (6.7) | 71 (3.4) | 1,549 (7.0) |
Dementia or mental retardation | 479 (2.0) | 21 (1.0) | 458 (2.1) |
Lung diseases | |||
Bronchial asthma | 564 (2.3) | 55 (2.6) | 509 (2.3) |
COPD | 101 (0.4) | 9 (0.4) | 92 (0.4) |
Cardiovascular diseases | |||
Stroke | 779 (3.2) | 59 (2.8) | 720 (3.2) |
Coronary heart disease | 551 (2.3) | 48 (2.3) | 503 (2.3) |
Congestive heart failure | 221 (0.9) | 12 (0.6) | 209 (0.9) |
Hypertension | 3,310 (13.6) | 294 (14.1) | 3,016 (13.6) |
Digestive diseases | |||
Peptic ulcer | 428 (1.8) | 40 (1.9) | 388 (1.7) |
Chronic hepatitis | 314 (1.3) | 19 (0.9) | 295 (1.3) |
Cirrhosis | 183 (0.8) | 13 (0.6) | 170 (0.8) |
IBD | 106 (0.4) | 16 (0.8) | 90 (0.4) |
Systemic diseases or diseases of other organs | |||
Diabetes | 1,666 (6.9) | 132 (6.3) | 1,534 (6.9) |
Dialysis | 180 (0.7) | 13 (0.6) | 167 (0.8) |
Active cancer | 314 (1.3) | 34 (1.6) | 280 (1.3) |
Marked obesity | 38 (0.2) | 4 (0.2) | 34 (0.2) |
Hematologic disorders | 43 (0.2) | 4 (0.2) | 39 (0.2) |
HIV infection | 13 (0.1) | 0 (0.0) | 13 (0.1) |
Pregnancy | 15 (0.1) | 1 (0.0) | 14 (0.1) |
Medications | |||
Anticoagulant | 194 (0.8) | 16 (0.8) | 178 (0.8) |
Steroid | 48 (0.2) | 3 (0.1) | 45 (0.2) |
Immunosuppressant | 14 (0.1) | 2 (0.1) | 12 (0.1) |
Previously healthy | 1,4696 (60.5) | 13,406 (60.4) | 1,290 (61.7) |