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Table 2 Age adjusted rates of coronary artery bypass graft surgery in the Department of Veterans Affairs and the National Hospital Discharge Survey, 1991–1999

From: Changes in the use of coronary artery revascularization procedures in the Department of Veterans Affairs, the National Hospital Discharge Survey, and the Nationwide Inpatient Sample, 1991–1999

VA          
  1991 1992 1993 1994 1995 1996 1997 1998 1999
Rate/100,000 167.6 167.4 166.0 176.2 173.0 175.0 152.1 124.8 107.9
Procedures (N) 6227 6261 6367 6753 6848 7101 6725 6378 6147
Users (millions) 2.2 2.3 2.3 2.3 2.4 2.4 2.5 2.8 2.9
NHDS          
Rate/100,000 220.4 254.4 246.0 250.4 290.3 269.2 259.1 237.8 235.0
Procedures (thousands) 177.2 208.2 205.9 212.1 246.1 236.3 232.7 217.3 219.1
NIS          
Rate/100,000 NA NA 274.1 272.3 298.2 297.4 297.9 NA NA
Procedures (thousands)    229.9 231.9 253.9 261.2 267.6   
US men (millions) 85.9 87.0 87.9 88.7 89.0 90.3 91.3 92.2 93.2
  1. VA-Veterans Affairs NHDS National Hospital Discharge Survey NIS Nationwide Inpatient Sample from the Healthcare Cost and Utilization Project NA not available.