NPPB and diabetes mellitus: Less strong correlates were pulse (R = 0.20), plasma glucose and insulin resistance (both R = 0.19), hypertension (R = 0.18), NT-proBNP (R = 0.15), smoking, total cholesterol and diabetes (all R = 0.12), BMI, diastolic blood pressure and male gender (all R = 0.11), all p<0.0001.