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Table 1 Patient characteristics, n = 560.

From: An artificial neural network to safely reduce the number of ambulance ECGs transmitted for physician assessment in a system with prehospital detection of ST elevation myocardial infarction

Age, years ± SEM

70.1 ± 0.6

Women

249 (45%)

Patients admitted to in-hospital care

417 (74%)

Length of stay of admitted patients, days ± SD

4.5 ± 6.2

ACS as final diagnosis

98 (18%)

STEMI

38 (7%)

Acute coronary angiography within 12 hours due to suspicion of STEMI

43 (8%)

Primary PCI within 12 h from pre-hospital ECG

36 (6%)