What question did this study set out to answer?

To compare inter-arm blood pressure difference based on the first reading versus average of subsequent readings.

January 10, 2026Journal of Human Hypertension0 citations

Interal-arm blood pressure difference with computer-programmed blood pressure measurement: difference between the first reading and the average of the second and the third readings

SHSong HuangYuxian People's Hospital YJYu JNanchang University JXJinsong XuNanchang University

Key Result

Using computer-programmed blood pressure measurement, the detection rate of abnormal systolic inter-arm blood pressure difference decreased by about 40% when using the average of the second and third

Key Points

To compare inter-arm blood pressure difference based on the first reading versus average of subsequent readings.
Analyzed data from 3067 rural community residents
Used computer-programmed blood pressure measurement (CCBPM)
Calculated systolic inter-arm blood pressure difference (sIAD) with different reading approaches.
Detection rate of abnormal sIAD was 9.1% for the first reading
Detection rate dropped to 5.6% when averaging the second and third readings
This reflects a difference of approximately 40% in abnormal readings.

Structured PICO

Does the first reading versus the average of the second and third readings affect the detection rate of abnormal systolic inter-arm blood pressure difference in rural community residents?

Population

3067 rural community residents

Intervention

Computer-programmed blood pressure measurement (CCBPM) using the first reading

Comparator

Computer-programmed blood pressure measurement (CCBPM) using the average of the second and the third readings

Outcome

Detection rate of abnormal systolic inter-arm blood pressure difference (sIAD)surrogate

Using the average of the second and third blood pressure readings rather than the first reading significantly reduces the detection rate of abnormal systolic inter-arm difference, suggesting it is a more appropriate method for evaluation.

Main Result

Absolute Event Rate: 0% vs 0%

Abstract

This study aimed to compare the inter-arm blood pressure difference (IAD) based on the first reading versus the average of the second and the third readings using computer-programmed blood pressure measurement (CCBPM) in 3067 rural community residents. The detection rate of abnormal systolic IAD (sIAD) was 9.1% based on the first reading, compared to 5.6% based on the average reading-a difference of approximately 40%. These findings suggest that CCBPM should be used with the average of the second and the third readings for sIAD evaluation.

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