TABLE 2—
Percentages of Patients Undergoing PTCA or CABG, by Race, Gender, and Insurance Status
| Group Comparisons (P) | ||||||
| Medicare Only (Group 1) | Medicare With Private Insurance (Group 2) | Medicare With Public Insurance (Group 3) | 1 vs 2 | 1 vs 3 | 2 vs 3 | |
| PTCA | ||||||
| Overall | 7.7 | 13.3 | 9.0 | <.001 | ||
| White men | 7.6 | 12.9 | 9.9 | <.001 | ||
| Black men | 4.6 | 10.2 | 4.7 | <.001 | .43 | <.001 |
| Hispanic men | 8.8 | 15.4 | 8.9 | <.001 | .53 | <.001 |
| White women | 5.2 | 10.2 | 5.9 | <.001 | .01 | <.001 |
| Black women | 4.8 | 7.9 | 4.6 | <.001 | .29 | <.001 |
| Hispanic women | 6.4 | 18.3 | 6.6 | <.001 | .61 | <.001 |
| CABG | ||||||
| Overall | 7.1 | 10.2 | 7.2 | <.001 | .37 | <.001 |
| White men | 8.4 | 11.6 | 8.6 | <.001 | .12 | <.001 |
| Black men | 4.4 | 7.4 | 4.3 | <.001 | .45 | <.001 |
| Hispanic men | 6.0 | 11.6 | 6.3 | <.001 | .29 | <.001 |
| White women | 4.9 | 7.3 | 4.8 | <.001 | .29 | <.001 |
| Black women | 4.1 | 6.4 | 4.1 | <.001 | .67 | <.001 |
| Hispanic women | 5.4 | 9.5 | 5.0 | <.001 | .13 | <.001 |
Note. PTCA = percutaneous transluminal coronary angioplasty; CABG = coronary artery bypass grafting.