Table 5 Characteristics of myocardial infarction cases whose time intervals exceeded emergency medical services guidelines
From: Emergency medical services transport delays for suspected stroke and myocardial infarction patients
EMS 1 | EMS 2 | |||||
|---|---|---|---|---|---|---|
Time intervals | Total >60 min | Response >10 min | On-scene >15 min | Total >60 min | Response >10 min | On-scene >15 min |
(n = 42) | (n = 315) | (n = 606) | (n = 84) | (n = 95) | (n = 218) | |
Age (median) | ||||||
Mediana | 60.5 | 59 | 62*** | 69*** | 62 | 62.5*** |
Medianb | 58 | 58 | 56 | 56 | 57.5 | 55 |
Gender: # (%) | ||||||
Female | 25 (59.5) | - | 335 (55.3) | 49 (61.3) | - | 116 (53.2) |
Male | 17 (40.5) | - | 271 (44.7) | 31 (38.8) | - | 102 (46.8) |
Specialty center: # (%) | ||||||
Yes | 3 (7.1) | - | 589 (97.2)* | 13 (16.3)*** | - | 11 (5.1) |
No | 39 (92.9) | - | 17 (1.0) | 67 (83.8) | - | 207 (94.9) |
Season: # (%) | ||||||
Fall | 19 (45.2) | 111 (35.3) | 255 (42.1) | 18 (22.5) | 21 (28.4) | 64 (29.4) |
Winter | 7 (16.7) | 55 (17.5) | 108 (17.8) | 21 (26.3) | 23 (31.2) | 52 (23.9) |
Spring | 8 (19.1) | 71 (22.5) | 135 (22.3) | 16 (20.0) | 12 (16.2) | 36 (16.5) |
Summer | 8 (19.1) | 78 (24.8) | 108 (17.8) | 25 (31.3) | 18 (24.3) | 66 (30.3) |
Dispatch reason: # (%) | ||||||
Chest pain | 41 (97.6) | 310 (98.4) | 599 (98.5) | 38 (47.5) | 36 (48.7) | 113 (51.9)*a |
Short of Breath | 0 (0.0) | 1 (0.3) | 1 (0.2) | 24 (30) | 18 (24.3) | 58 (26.6)b |
Otherc | 1 (2.4) | 4 (1.3) | 5 (0.8) | 18 (22.5) | 20 (27.0) | 47 (21.6)b |