Table 3.

Variables associated with renal RI affording linear mixed model results

Parameter	Coefficient	Standard error	95% confidence interval		p
			Lower bound	Upper bound
Age (years)	0.0018	0.0003	0.0011	0.0026	< 0.01
AKI persistent	0.0474	0.1821	0.0837	0.0110	0.01
Lactate (mmol/L)	0.0108	0.0034	0.0040	0.0176	< 0.01
Mean arterial pressure (mmHg)	− 0.0007	0.0002	− 0.0013	− 0.0001	0.01

Model included sepsis, SAPS 3, age, serum chloride, vasopressor therapy, mean arterial pressure, heart rate, lactate, and AKI according to its reversibility (fixed effects)

AKI acute kidney injury