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. 2015 Oct 29;2015:763940. doi: 10.1155/2015/763940

Table 3.

Univariate and multivariate linear regression analysis of potential predictive hemodynamic parameters for renal Doppler resistive index.

Parameter Univariate analysis Multivariate analysis Multivariate analysis
β SE P β SE P β SE P
Lactate 0.041 0.014 0.840     Not entered      
PCP −0.059 0.001 0.650     Not entered      
CVP 0.082 0.002 0.531     Not entered      
MAP −0.167 0.001 0.199     Not entered      
Heart rate 0.204 0.001 0.115     Not entered      
Age 0.211 0.001 0.106     Not entered 0.179 0.001 0.110
VO2I 0.223 0.001 0.178     Not entered      
SVRI 0.259 0.001 0.090     Not entered      
DO2I −0.277 0.001 0.079     Not entered      
LVSWI∗ −0.321 0.001 0.036     Not entered      
Cardiac index −0.293 0.012 0.027 −0.226 0.010 0.039 −0.181 0.010 0.107
O2ER∗ 0.581 0.114 <0.001     Not entered      
SvO2 −0.604 0.001 <0.001 −0.555 0.001 <0.001 −0.573 0.001 <0.001

β: regression coefficient; SE: standard error. ∗Variables excluded from the multivariate analysis because of the violation of assumption of no multicollinearity.