Table 3.

Correlation between urinary albumin excretion rate (mg/24h) and demographic and metabolic parameters

Variable	Correlation coefficient	P
Past history of hypertension: n (%)	0.313	0.001*
Smoking: n (%)	0.261	0.008*
Diabetic retinopathy: n (%)	0.246	0.013*
HbA1c (%)	0.231	0.022*
Systolic BP (mm Hg)	0.387	< 0.001*
Diastolic BP (mm Hg)	0.199	0.042*
Cortisol at 8:00 h (nmol/L)	0.183	0.061
Cortisol at 16:00 h (nmol/L)	0.224	0.046*
Cortisol at 0:00 h (nmol/L)	0.149	0.189
eGFR (mL/min/1.73 m2)	-0.299	0.002*

HbA1c, glycated hemoglobin; BP, blood pressure; eGFR, estimated glomerular filtration rate; ^*P-value < 0.05.