Table 1.
Linear mixed models for renal blood flow (RBF) and cerebral blood flow (CBF).
RBF | Coefficient | 95% confidence interval | P |
---|---|---|---|
Fixed effects | |||
MAP (mmHg) | 0.05 | 0.01; 0.15 | <0.001 |
NE infusion | -0.90 | -1.24; -0.57 | <0.001 |
Sepsis | -0.26 | -0.72; 0.2 | 0.3 |
Interaction MAP×T100 mmHga | -0.01 | -0.01; -0.001 | 0.001 |
Random effects | |||
Interindividual standard deviation | 0.78 | 0.61; 0.98 | |
Intraindividual standard deviation | |||
Control | 1.45 | 1.27; 1.7 | <0.0001a |
Sepsis | 0.9 | 0.81; 1 | |
NE infusion | 0.53 | 0.46; 0.6 | |
NE+Sepsis | 0.39 | 0.35; 0.44 | |
CBF | Coefficient | 95% confidence interval | P |
Fixed effects | |||
MAP (mmHg) | 0.02 | 0.02; 0.03 | <0.001 |
NE infusion | 1.83 | 1.24; 2.40 | <0.001 |
Sepsis | 0.76 | 0.15; 1.37 | 0.01 |
Interaction MAP × NEc | -0.02 | -0.02; -0.01 | <0.001 |
Interaction MAP×T100 mmHga | 0.013 | 0.01; 0.002 | <0.001 |
Random effects | |||
Interindividual standard deviation | 0.99 | 0.77; 1.27 | |
Intraindividual standard deviation | |||
Control | 1.01 | 0.88; 1.16 | <0.001a |
Sepsis | 0.91 | 0.8; 1.03 | |
NE infusion | 0.38 | 0.33; 0.43 | |
NE+Sepsis | 0.62 | 0.55 ; 0.7 |
aInteraction MAP × threshold 100 mmHg.
bFor between-groups comparison.
cInteraction MAP × NE infusion.
MAP: mean arterial pressure; NE: norepinephrine.