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Table 1 Characteristics of the Study Populations

From: Comparison of different comorbidity measures for use with administrative data in predicting short- and long-term mortality

  AMI
(n = 8,961)
COPD
(n = 32,755)
Age in years (mean ± SD) 66.31 ± 13.36 72.54 ± 12.10
Male 6,457 (72.06%) 23,650 (72.20%)
Aborigines 161 (1.80%) 1,350 (4.12%)
Patients received surgery 1,299 (14.50%) 382 (1.17%)
In-hospital mortality 1,339 (14.94%) 990 (3.02%)
One-year mortality 2,426 (27.07%) 7,362 (22.48%)
  1. AMI = acute myocardial infarction; COPD = chronic obstructive pulmonary disease.