Predictors of switching from beta-blockers to other anti-hypertensive drugs: a review of records of 19,177 Chinese patients seen in public primary care clinics in the New Territory East, Hong Kong
2011

Factors Leading to Switching from Beta-Blockers in Chinese Patients

Sample size: 19177 publication Evidence: moderate

Author Information

Author(s): Wong Martin CS, Wang Harry HX, Jiang Johnny Y, Leeder Stephen, Griffiths Sian M

Primary Institution: Chinese University of Hong Kong

Hypothesis

What factors are associated with switching from beta-blockers to other antihypertensive drugs among Chinese patients?

Conclusion

Older patients and new clinic visitors are more likely to switch from beta-blockers to other antihypertensive medications.

Supporting Evidence

  • 4.0% of patients switched from beta-blockers within 180 days of starting therapy.
  • Older patients were significantly more likely to switch medications.
  • New clinic visitors had a higher likelihood of switching compared to follow-up patients.

Takeaway

This study found that older people and those visiting a clinic for the first time are more likely to change their blood pressure medicine from beta-blockers to something else.

Methodology

The study analyzed a validated database of demographic and clinical information from patients prescribed beta-blockers in public clinics, using multivariate regression analyses to evaluate factors associated with medication switching.

Potential Biases

Potential confounding factors like blood pressure levels and lifestyle habits could not be controlled for.

Limitations

The study only included patients from one geographical region in Hong Kong and captured only short-term switching profiles.

Participant Demographics

The mean age of participants was 59.1 years, with 41.5% aged 60 years or older, and 62.8% were female.

Statistical Information

P-Value

0.002

Confidence Interval

95% C.I. 1.12-1.70

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1447-056X-10-10

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