Left ventricular-arterial coupling as a predictor of stroke volume response to norepinephrine in septic shock – a prospective cohort study

Table 4 Univariate logistic regression analysis for screening potential predictors of stroke volume response to norepinephrine

Variables	Odd ratio	95% CI for odd ratio		P value
Variables	Odd ratio	Lower	Upper	P value
HR (beats/min)	0.983	0.945	1.021	0.374
SAP (mmHg)	0.934	0.832	1.048	0.244
DAP (mmHg)	0.956	0.832	1.098	0.522
MAP (mmHg)	0.906	0.763	1.077	0.264
CVP (mmHg)	0.941	0.792	1.117	0.486
LVEDV (mL)	0.966	0.911	1.025	0.257
LVEF (%)	1.154	1.028	1.296	0.015
SV (mL)	1.042	0.976	1.114	0.218
VTI (cm)	1.302	1.032	1.643	0.026
NE dose (μg/kg/min)	1.778	0.469	6.738	0.397
Time from NE infusion start to MAP stabilization (min)	1.000	0.994	1.006	0.940
Ea/Ees ratio	0.008	0.000	0.293	0.009

SV stroke volume; NE norepinephrine; HR heart rate; SAP systolic arterial pressure; DAP diastolic arterial pressure; MAP mean arterial pressure; CVP central venous pressure; VTI velocity-time integral; LVEDV left ventricular end-diastolic volume; LVEF left ventricular ejection fraction; Ea effective arterial elastance; Ees left ventricular effective end-systolic elastance; CI confidence interval

ISSN: 1471-2253