Table 1 Comparison of the correlation in BP measured by manual sphygmomanometer and ABPM

All-day systolic

0.97

<0.001

0.944

0.924-0.959

<0.001

All-day diastolic

0.89

<0.001

0.878

0.836-0.969

<0.001

Daytime systolic

0.925

<0.001

0.922

0.895-0.943

<0.001

Daytime diastolic

0.831

<0.001

0.824

0.767-0.869

<0.001

Nighttime systolic

0.906

<0.001

0.903

0.869-0.928

<0.001

Nighttime diastolic

0.869

<0.001

0.857

0.809-0.894

<0.001