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Table 6 Disease-Related Healthcare Costs and Hospitalization Risk at Varying Levels of Medication Adherence [24]

From: Blood pressure reduction, persistence and costs in the evaluation of antihypertensive drug treatment – a review

Adherence Level

N

Medical Costs ($)

Drug Costs ($)

Total Costs ($)

Hospitalization Risk (%)

1–19

350

4847

31

4878

28

20–39

344

5973

89

6062

24

40–59

562

5113

184

5297

24

60–79

921

4977

285

5262

20

80–100

5804

4383

489

4871

19

  

F = 46.44**

F = 171.98**

 

X2 (31 df) = 1256.3**

  

Adj. r 2 = 0.13

Adj. r 2 = 0.37

  
  1. CI, confidence interval; *Indicates that the outcome is significantly higher than the outcome for the 80–100% adherence group (P < 0.05). Differences were tested for medical cost and hospitalization risk; ** p < 0.0001