Fig. 6

Row 1: Overall expenditures associated with essential hypertension (ICD-9-CM 401xx) in 2013 (left) and 2014 (right) respectively by 2013 residuals rank; Row 2: Breakdown of essential hypertension expenditures by associating with each single ICD-9-CM code in 2013 (left) and 2014 (right) respectively by 2013 residuals rank; Row 3: Number of patients associated with each single essential hypertension diagnosis ICD-9-CM code in 2013 (left) and 2014 (right) respectively by 2013 residuals rank