BioMed Research International

Research Article

Splenic Doppler Resistive Index Variation Mirrors Cardiac Responsiveness and Systemic Hemodynamics upon Fluid Challenge Resuscitation in Postoperative Mechanically Ventilated Patients

Table 3

Univariate and multivariate logistic regression analysis for fluid challenge responsiveness.


Univariate Logistic Regression
Variable	RC	OR (95 CI)	*P value*

SDRI, %change	0.818	2.267 (1.569-3.989)	<0.001
CVP, %change	0.014	1.014 (0.980-1.054)	0.434
MAP, %change	-0.018	0.981 (0.907-1.061)	0.641
PAOP, %change	0.009	1.009 (0.973-1.051)	0.631
SVRI, %change	-0.035	0.964 (0.936-0.988)	0.009
SVO₂, %change	0.129	1.138 (1.034-1.310)	0.029
cLac, %change	- 0.002	0.997 (0.982-1.011)	0.741

Multivariate Logistic Regression
Variable	RC	OR (95 CI)	*P value*

SDRI %change	0.890	2.436 (1.577-4.845)	0.001
SVRI %change	-0.035	0.965 (0.912-1.009)	0.163
SVO₂ %change	0.134	1.144 (0.996-1.467)	0.159

RC: regression coefficient; OR: odds ratio; CI: confidence interval; SDRI: splenic Doppler resistive index; CVP: central venous pressure; MAP: mean artery pressure; PAOP: pulmonary artery occlusion pressure; SVRI: systemic vascular resistive index; SVO₂: mixed venous oxygen saturation; cLac: arterial lactate.