Table 2.

Factors associated with base deficit in multivariable linear regression

Variable	Coefficient	95% confidence interval	p value
Age, per year	− 0.01	− 0.03, 0.02	0.670
Male gender	− 1.51	− 2.45, − 0.56	0.002
Public setting	− 0.85	− 1.76, 0.06	0.067
Witnessed CA	− 1.35	− 2.91, 0.22	0.091
Bystander CPR	0.69	− 0.17, 1.56	0.117
Collapse to ROSC, per min	0.09	0.06, 0.12	< 0.001
Initial VF/VT	− 2.36	− 3.41, − 1.31	< 0.001
Post-resus. shock	2.45	1.60, 3.29	< 0.001
Cardiac cause-related CA	− 0.16	− 1.21, 0.89	0.761

CA cardiac arrest, CPR cardiopulmonary resuscitation, ROSC restoration of spontaneous circulation