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Table 1 Characteristics Medicare enrollees aged 65–120 Years, United States, from 2000 to 2008

From: The impact of long-term PM2.5 exposure on specific causes of death: exposure-response curves and effect modification among 53 million U.S. Medicare beneficiaries

No. of enrollees 52,954,845 
No. of ZIP Code 41,630 
No. of Person-Month 3,743,349,849 
No. of deaths
 All Causes 15,843,982100.0a
 All Cardiovascular (CVD)I00-I996,371,71340.2
  Ischemic heart disease (IHD)I20-I253,323,52721.0
  Cerebrovascular disease (CBV)I60-I691,147,0507.2
  Congestive heart failure (CHF)I50471,1273.0
 All RespiratoryJ00-J991,777,07611.2
 All CancerC-D3,576,20722.6
  Lung cancerC34988,6436.2
  1. Abbreviations: COPD Chronic Obstructive Pulmonary Disease
  2. a The numbers or the percentages from sub-causes of death do not sum to all causes of deaths or 100%, because additional other causes of death are not reported in this table