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Table 2 2004 Annualized Health Care Costs and Utilization by Type of Service

From: Healthcare costs and utilization for Medicare beneficiaries with Alzheimer's

  AD Controls Contribution of AD
  % of Cohort Using Mean Visit Days Mean Cost $ (CV)* % of Cohort Using Mean Visit Days Mean Cost $ (CV)* Visit Days Cost $
Inpatient 30 3.38 5,094 (419) 20 1.93 4,014 (753) 1.14 671
Pharmacy 94 -- 4,056 (77) 85 -- 2,169 (174) -- 1,711
Hospital outpatient 61 2.61 1,252 (298) 58 2.51 1,412 (384) -0.30 -366
Physician office 79 8.46 1,100 (237) 81 9.97 1,508 (270) -2.86 -648
Emergency room 41 1.04 335 (280) 27 0.64 196 (530) 0.28 107
Home health 7 0.24 32 (1,001) 4 0.15 27 (3,191) 0.05 0.37
Other 56 -- 2,068 (353) 37 -- 1,043 (571) -- 789
Total Utilization 97 -- 13,936 (181) 91 -- 10,369 (324) -- 2,307
  1. * CV = Coefficient of Variation = 100*SD/Mean
  2. † Coefficient of the AD indicator from the weighted least square regression for annualized costs, or utilization within each setting controlling for overall illness burden (RRS excluding AD and RRS squared).
  3. ‡ Statistically significant effects attributed to AD at p < 0.05.