Table 1.

BNP results by New York Heart Association classification.

		BNP (pg/mL)
NYHA Class	N	Median	Interquartile Range
No CHF	1202	65	28–140
I	116	285	130–516
II	271	343	161–579
III	115	427	249–747
IV	35	496	248–1340

BNP, B-type natriuretic peptide; CHF, congestive heart failure; eGFR, estimated glomerular filtration rate.