Table 1.
Site characteristics
| Participants (n = 7 sites) | Non-participants (n = 73 sites)* | |
|---|---|---|
| Interventional cardiologists (mean, SD) | 4.7 (0.8) | 3.7 (1.9) |
| Diagnostic case volume (mean, SD) | 595 (226) | 410 (219) |
| % TRA (mean, range) | 27% (2.5–64%) | 54% (0–93%) |
| PCI volume (mean, SD) | 230 (139) | 126 (934) |
| % TRA (mean, range) | 22% (2–44%) | 46% (0–95%) |
| Facility bed size (mean, SD) | 135 (66) | 103 (42) |
| Academic affiliation (n, %) | 7 (100%) | 73 (100%) |
| Onsite surgical backup (n, %) | 4 (57%) | 37 (51%) |
Abbreviations: SD, standard deviation; TRA, transradial approach; PCI, percutaneous coronary intervention
*Non-participant sites include all VA facilities that have a cardiac catheterization lab