Figure 1

Trends in the defined daily dose (DDD) of antihypertensives overall and by type of drug classes per 100 patients from 2008 to 2012. The trend (change in DDD per 100 patients) was calculated using simple linear regression model. T-tests for change in DDD per 100 patients across years was not statistically significant for antihypertensives overall [P = 0.787].T-tests for change in DDD per 100 patients across years was statistically significant for diuretics [P = 0.044]. F-test for differences in trends between the drug classes was statistically significant [P = 0.009].