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January 1, 2008Blood Pressure

End‐digit preference in general practice: A comparison of the conventional auscultatory and electronic oscillometric methods

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Why the study?

Does the use of a semi-automatic blood pressure device reduce end-digit preference compared to a conventional sphygmomanometer when values are manually transcribed?

Population

2199 hypertensive patients treated with lercanidipine (10-20 mg) by 504 physicians in general practice.

Comparison

Blood pressure measurement using a validated… vs Blood pressure measurement using a standard…

Design

Cohort

Follow-up

8 weeks

Authors

MBMichel BurnierPreventive CardiologyUGU.E. GasserRoche (Switzerland)

Discussion

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Implication

Manual transcription of semi-automatic BP readings retains substantial end-digit preference; leaves open whether direct electronic transfer reduces bias in trials.

Structured PICO

Does the use of a semi-automatic blood pressure device reduce end-digit preference compared to a conventional sphygmomanometer when values are manually transcribed?

P
Population
2199 hypertensive patients treated with lercanidipine (10-20 mg) by 504 physicians in general practice.
I
Intervention
Blood pressure measurement using a validated semi-automatic device (Microlife Average Mode) with manual transcription to case report forms.
C
Comparator
Blood pressure measurement using a standard mercury sphygmomanometer with manual transcription to case report forms.
O
Outcome
Frequency of end-digit preference (specifically for digits '0' and '5').

Even with semi-automatic devices, manual transcription of blood pressure values leads to significant end-digit preference, highlighting the need for direct data transfer systems to avoid bias in assessing antihypertensive efficacy.

Cite This Study

Burnier et al. (2008) studied this question.

synapsesocial.com/papers/6a19d9563e4c9aaeb7f670cehttps://doi.org/10.1080/08037050801972881
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1DIGIT PREFERENCES OBSERVED IN THE MEASUREMENT OF BLOOD PRESSURE1997 · 6 citations
  2. 2Validation of two devices for self-measurement of brachial blood pressure according to the International Protocol of the European Society of Hypertension: the SEINEX SE-9400 and the Microlife BP 3AC1-12005 · 59 citations
  3. 3European Society of Hypertension recommendations for conventional, ambulatory and home blood pressure measurement2003 · 1,666 citations
  4. 4Determinants of persistence in hypertensive patients treated with irbesartan: results of a postmarketing survey2005 · 24 citations
  5. 5The Impact of Observer and Patient Factors on the Occurrence of Digit Preference for Zero in Blood Pressure Measurement in a Hypertension Specialty Clinic: Evidence for the Need of Continued Observation2006 · 30 citations