Table 1.

Characteristics of study population, by eGFR.

CharacteristiceGFR<60 mL · min−1 · (1.73 m2)−1 (n = 393)1eGFR≥60 mL · min−1 · (1.73 m2)−1 (n = 438)1P value
Age69.3 (13.1)63.5 (16.0)<0.001
Male188 (47.8)192 (43.8)0.3
African-American133 (33.8)185 (42.2)0.04
Hypertension286 (72.8)269 (61.4)0.001
Diabetes181 (46.1)124 (28.3)<0.001
Prior HF164 (41.7)123 (28.1)<0.001
Atrial fibrillation91 (23.2)84 (19.2)0.16
Coronary disease147 (37.4%)116 (26.5)0.001
BNP, ng/L534 [123, 1150]215 [63, 546]<0.001
NT-proBNP, ng/L3961 [863, 12407]1058 [296, 3288]<0.001
Creatinine, mg/L18.0 [14.0, 26.0]9.0 [8.0, 11.0]<0.001
Disposition from ED
 Home12 (3.1)26 (6.0)0.1
 Ward292 (74.9)325 (74.5)
 ICU286 (22.1)85 (19.5)
LVEF (n = 564, 68%)45 [28, 58]52 [33,58]0.052
BMI (n = 619, 74%)28.8 [23.8, 34.6]27.9 [23.1, 34.4]0.3