Table 2

Performance of recognition by ECCS

CharacteristicsTotal
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 (%)
 Yes251 (68.4)102 (61.8)90 (72.0)35 (76.1)24 (77.4)
 No116 (31.6)63 (38.2)35 (28.0)11 (23.9)7 (22.6)
Delivery of DA-CPR instructionn=251n=102n=90n=35n=24
 Yes208 (82.9)87 (85.3)76 (84.4)32 (91.4)13 (54.2)
 No43 (17.1)15 (14.7)14 (15.6)3 (8.6)11 (45.8)
Major reasons for non-recognition of cardiac arrestn=116n=63n=35n=11n=7
 Dispatcher non-adherence to protocol81 (69.8)46 (73.0)27 (77.1)5 (45.5)3 (42.9)
 Caller’s ambiguous response35 (30.2)17 (27.0)8 (22.9)6 (54.5)4 (57.1)
  • ECCS, emotional content and cooperation score.