Table 3.

Comparison of Clinical Variables of Patients With and Without Pulmonary Crackles

Pulmonary Crackles
VariablePresent (n=92)Absent (n=182)P Value
BNP = serum B-type natriuretic peptide.
Age, years76.9 ± 7.865.3 ± 11.2<.001
Men, No. (%)24 (26)53 (29)NS
Current/previous smoker, No. (%)15 (16)33 (18)NS
Third heart sound, No. (%)3 (3)1 (0.5)NS
Venous insufficiency, No. (%)27 (29)31 (17)<.05
Leg edema, No. (%)17 (18)16 (9)<.05
Left ventricular ejection fraction, %61.1 ± 7.161.5 ± 7.9NS
Serum creatinine, mg/dL0.79 ± 0.210.75 ± 0.19<.1
BNP, pg/mL36.4 ± 19.629.1 ± 19.0<.01