Table 3.

Procedure Coding in the Patient Treatment File Among Patients with Acute Myocardial InfarctionUsing Chart Review as the Gold Standard

	Chart Review
Patient Treatment File Coding*	Procedure Confirmed, n	Procedure Not Confirmed, n
Cardiac catheterization coded	1,293	31
Cardiac catheterization not coded	54	3,187
CABG coded	88	0
CABG not coded	4	4,473
PTCA coded	289	12
PTCA not coded	31	4,233

^*CABG indicates coronary artery bypass graft surgery; PTCA, percutaneous transluminal coronary angioplasty.