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Table 4 Top 10 Reasons for Inpatient Admission by Cohort

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

  AD Control Odds Ratio*
  Rate per 10,000 (Rank within cohort)†  
Other and unspecified pneumonia 229 (1) 133 (2) 1.50
Femoral (hip) fracture 209 (2) 88 (4) 2.32
Cystitis, other urinary tract infections 161 (3) 42 (13) 3.46
Heart failure 150 (4) 158 (1) 0.78
Cerebral degeneration/Alzheimer's disease 142 (5) - infinite
Disorders of fluid/electrolyte/acid-base balance, e.g., dehydration 118 (6) 49 (11) 2.16
Septicemia (blood poisoning)/shock 118 (7) 14 (39) 2.77
Syncope and collapse 100 (8) 33 (30) 2.85
Aspiration pneumonia 100 (9) 18 (16) 5.36
Pre-cerebral or cerebral arterial occlusion with infarction 84 (10) 48 (12) 1.74
Coronary atherosclerosis and other chronic ischemic heart disease (CAD) 70 (13) 111 (3) 0.53
Acute myocardial infarction, initial episode of care 83 (11) 81 (5) 0.92
Atrial arrhythmia 56 (16) 62 (6) 0.83
Osteoarthritis of lower leg (knee) 27 (29) 62 (7) 0.39
Emphysema/chronic bronchitis, 18+ 65 (14) 55 (8) 1.02
Gastrointestinal hemorrhage, except peptic ulcer and anal/rectal 78 (12) 55 (9) 1.22
Chest pain 54 (17) 50 (10) 0.94
Any inpatient admission 3,796 2,408 1.55
  1. * Odds ratio of the AD indicator from the logistic regression predicting any inpatient admission controlling for overall illness burden (RRS excluding AD and RRS squared).
  2. †10,000 times the number of inpatient admissions divided by number of individuals in the cohort. Bold text designates reason in the top ten.
  3. ‡ Statistically significant AD effect at p < 0.05.