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Heart Views. 2018 Apr-Jun;19(2):49-53. doi: 10.4103/1995-705X.244187.

Effect of Sociodemographic Variables and Other Factors on the Usage of Different Doses of Aspirin in Postmyocardial Infarction Patients: A Cross-sectional Study.

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Department of Medicine, Dow University of Health Sciences, Karachi, Pakistan.
Department of Internal Medicine, Reading Health System, West Reading, PA, USA.
Senior Lecturer of Biostatistics, Dow University of Health Sciences, Karachi, Pakistan.
Sindh Medical College, Dow University of Health Sciences, Karachi, Pakistan.
Department of Medicine, Agha Khan University Hospital, Karachi, Pakistan.



Aspirin (acetylsalicylic acid) is commonly prescribed to patients with a history of myocardial infarction (MI) or occlusive vascular events (e.g., stroke). Due to the complications associated with failure to follow aspirin usage guidelines, determining predictors of aspirin noncompliance in these patient populations is of clinical value and may help prevent poor outcomes.


This cross-sectional study of all patients with a previously diagnosed MI was conducted over a period of 3 months from May 2015 to July 2015 at a government-based hospital in Karachi, Pakistan. Patients were administered a questionnaire that comprised two parts. Part A was designed to measure sociodemographic data including age, gender, and marital status. Part B determined whether the patient was counseled on aspirin significance, and dosage recommendation, and was participating in cardiac rehabilitation therapy.


A total of 456 patients included in the study. Of them, 298 (66.7%) were males. The average age was 59 (standard deviation 11) years. The outcome from univariate logistic regression revealed that with 1 year increase of age, the usage of low dose of aspirin was significantly decreased by 2%. Patients with higher education attributed a significantly different effect on the usage of aspirin. Marital status divulged no significant association with the use of different doses of aspirin. The role of rehabilitation had no effect when adjusted for age and level of education.


Post-MI patients with higher education level and undergoing rehabilitative therapy are more likely to take low-dose aspirin as compared to those who failed to have these attributes. There is a need for carrying out further work to confirm these findings and expand our recommendations, particularly the sensitive issue regarding adequate doctor counseling among these high-risk patients.


Aspirin; cardiac; myocardial infarction

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