Characteristics | Total n=367 | ECCS 1 n=165 | ECCS 2 n=125 | ECCS 3 n=46 | ECCS 4–5 n=31 |
Caller’s unambiguous response to patient’s consciousness, n (%) | 343 (93.5) | 153 (92.7) | 117 (93.6) | 44 (95.7) | 29 (93.5) |
Caller’s unambiguous response to patient’s breathing status, n (%) | 281 (76.6) | 113 (68.5) | 105 (84.0) | 39 (84.8) | 24 (77.4) |
Recognition of cardiac arrest, n (%) | |||||
Yes | 251 (68.4) | 102 (61.8) | 90 (72.0) | 35 (76.1) | 24 (77.4) |
No | 116 (31.6) | 63 (38.2) | 35 (28.0) | 11 (23.9) | 7 (22.6) |
Delivery of DA-CPR instruction | n=251 | n=102 | n=90 | n=35 | n=24 |
Yes | 208 (82.9) | 87 (85.3) | 76 (84.4) | 32 (91.4) | 13 (54.2) |
No | 43 (17.1) | 15 (14.7) | 14 (15.6) | 3 (8.6) | 11 (45.8) |
Major reasons for non-recognition of cardiac arrest | n=116 | n=63 | n=35 | n=11 | n=7 |
Dispatcher non-adherence to protocol | 81 (69.8) | 46 (73.0) | 27 (77.1) | 5 (45.5) | 3 (42.9) |
Caller’s ambiguous response | 35 (30.2) | 17 (27.0) | 8 (22.9) | 6 (54.5) | 4 (57.1) |
ECCS, emotional content and cooperation score.