Quality of cardiopulmonary resuscitation in out-of-hospital cardiac arrest before and after introduction of a mechanical chest compression device, LUCAS-2; a prospective, observational study

Table 3 No-flow time (NFT) and rhythm analysis with/without defibrillation

CPR variables	Manual CPR		LUCAS CPR
	Mean (95% CI) sec.	Number with data	Mean (95% CI) sec.	Number with data	P-value
NFT in relation to AED analysis	15 (13; 18)	60	16 (13; 19)	55	0.620
+ defibrillation	15 (13; 18)	60	16 (13; 19)	55	0.620
NFT in relation to AED analysis	17 (16; 18)	112	18 (16; 20)	101	0.960
- defibrillation	17 (16; 18)	112	18 (16; 20)	101	0.960
Pre-shock NFT	17 (15; 20)	60	20 (16; 23)	55	0.406
Post-shock NFT	7 (6; 8)	60	7 (6; 9)	55	0.466

No-flow time (NFT) = Time without ROSC – time without chest compressions. ROSC = Return of spontaneous circulation. AED = Automated external defibrillator.

ISSN: 1757-7241