Prehospital HCRU in patients with STEMI and NSTE-ACS with or without a history of CVD
| STEMI | NSTE-ACS | Overall p value for STEMI vs NSTE-ACS | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Resource use item | History of CVD (n=1042) | No history of CVD (n=3857) | All (n=4899) | p Value for CVD vs no CVD | History of CVD (n=2672) | No history of CVD (n=2904) | All (n=5576) | p Value for CVD vs no CVD | |
| ECG* | 444 (44.7) | 1717 (44.5) | 2161 (44.1) | 0.91 | 973 (36.4) | 1058 (36.4) | 2031 (36.4) | 0.99 | <0.0001 |
| Any prehospital CV medication | 261 (25.0) | 1043 (27.0) | 1304 (26.6) | 0.20 | 376 (14.1) | 469 (16.2) | 845 (15.2) | 0.03 | <0.0001 |
| Any fibrinolytic | 17 (1.6) | 90 (2.3) | 107 (2.2) | 0.17 | 2 (0.1) | 3 (0.1) | 5 (0.1) | 0.72 | <0.0001 |
| Any antiplatelet agent | 256 (24.6) | 1026 (26.6) | 1282 (26.2) | 0.19 | 358 (13.4) | 465 (16.0) | 823 (14.8) | 0.01 | <0.0001 |
| Any anticoagulant | 131 (12.6) | 571 (14.8) | 702 (14.3) | 0.07 | 113 (4.2) | 139 (4.8) | 252 (4.5) | 0.32 | <0.0001 |
| Ambulance transfer, n (%)† | 352 (33.7) | 1519 (39.4) | 1871 (38.2) | 0.001 | 735 (27.5) | 1016 (35.0) | 1751 (31.4) | <0.0001 | <0.0001 |
| Duration, minutes; mean (SD) | 72.0 (86.8) | 64.6 (73.8) | 66.0 (76.4) | 0.14 | 63.5 (85.2) | 65.4 (75.5) | 64.6 (79.7) | 0.63 | 0.59 |
| Median (range) | 47.5 (8–950) | 45 (1–960) | 45 (1–960) | … | 40 (5–900) | 45 (5–999) | 45 (5–999) | … | … |
Values are n (%) unless otherwise indicated.
*ECG data were unavailable for 254 patients.
†Transport between hospitals, not transport to initial hospital.
CV, cardiovascular; CVD, CV disease; HCRU, healthcare resource use; NSTE-ACS, non-ST-segment elevation acute coronary syndrome; STEMI, ST-segment elevation myocardial infarction.