B-Type Natriuretic Peptide in the Critically Ill with Acute Kidney Injury

Table 1

Characteristics of AKI and no-AKI patients at ICU admission.

	All; (26)	AKI; (5)	No-AKI; (21)	𝑃 value
Male	57.7%	60.0%	57.1%	.91
Age, years	59.7±21.7	77.6±7.3	55.4±21.9	.037
Weight, kg	77.4±13.4	74.5±8.8	78.1±14.3	.36
SOFA score	6.9±2.7	10.0±2.4	6.1±2.1	.002
Serum creatinine,; mg/dL*	0.89; (0.64 to 1.28)	1.85; (1.76 to 1.94)	0.82; (0.69 to 1.00)	.001
Plasma BNP,; pg/mL*	228; (67.5 to 544)	510; (370 to 544)	197; (57 to 393)	.06
Diagnosis on ICU admission
Trauma	30.8%	0%	38.1%	.28
Pulmonary	26.9%	60%	19.0%	.10
Neurologic	26.9%	0%	33.3%	.28
Other	15.4%	40.0%	9.5%	.16

AKI: Acute kidney injury.
ICU: Intensive care unit.
SOFA: Sequential organ failure assessment.
BNP: B-type or brain natriuretic peptide.
*median and interquartile range.