Association between polypharmacy and glycemic control among Type II diabetic patients in Phatthalung province
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Abstract
Taking polypharmacy for glycemic control is continuously increasing among diabetic patients during treatment. The purpose of this study was to investigate the association between polypharmacy and glycemic control among diabetic patients. This was hospital-based prospective study. In total, 20,809 diabetic patients were diagnosed by physicians. Of these, 8,322 diabetic patients were enrolled in this study from January to December 2015. Multiple logistic regression analysis was performed to investigate the association between polypharmacy and glycemic control. Subjects who took 5 or more medicines were less likely to control their HbA1C level (Odds ratio [OR] = 0.78; 95% confidence interval [CI], 0.71 - 0.87), and subjects who took 2 or more diabetic medicines were 2 times more likely to control their HbA1C level (OR = 2.19; 95% CI, 1.99 - 2.41). In conclusion, total polypharmacy was associated with a reduction of HbA1C level. Furthermore, diabetic polypharmacy was also associated with controlling of HbA1C level. The study findings suggest that patients on polypharmacy should be intensively monitored for uncontrollable HbA1C level. In addition, comprehensive holistic care and rationale drug use should be concerned.
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