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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