Rescue under ongoing CPR from an upper floor: evaluation of three different evacuation routes and mechanical and manual chest compressions: a manikin trial

Table 2 Compression frequency

Evacuation route	Manual compression	Mechanical compression	p-value
lift
Compression frequency (mean ± SD) [mm]	133 ± 17	99 ± 4	< 0.001
% guideline-compliant frequency (mean ± SD)	58 ± 34	94 ± 2	0.02
ladder
Compression frequency (mean ± SD) [mm]	108 ± 14	100 ± 4	< 0.001
% guideline-compliant frequency (mean ± SD)	61 ± 17	96 ± 1	0.04
stairs
Compression frequency (mean ± SD) [mm]	135 ± 22	100 ± 4	< 0.001
% guideline-compliant frequency (mean ± SD)	22 ± 30	96 ± 2	0.02

Means, standard deviation, and p-value of compression frequency for each evacuation route and CPR-method

ISSN: 1757-7241