TABLE 4.
Odds ratio (OR) and 95% confidence intervals (CIs) comparing Black and Hispanic versus White risk of incident transfemoral amputation in the Continental and Southeast regions stratified by the presence or absence of diabetes and prior revascularization (significant odds ratios are in bold)
| Stratified by diabetes and revascularization | Continental OR | 95% CI | p Value | Southeast OR | 95% CI | p Value |
|---|---|---|---|---|---|---|
| Black versus White | ||||||
| No diabetes without revascularization | 1.5 | 1.1, 2.1 | .02 | 1.2 | .92, 1.7 | .15 |
| Diabetes without revascularization | 1.4 | 1.1, 1.9 | .02 | 1.2 | .91, 1.5 | .22 |
| No diabetes with revascularization | 1.0 | .67, 1.5 | .93 | .83 | .57, 1.2 | .34 |
| Diabetes with revascularization | .96 | .64, 1.4 | .83 | .78 | .54, 1.1 | .19 |
| Hispanic versus White | ||||||
| No diabetes without revascularization | 1.6 | .79, 3.1 | .20 | 3.2 | 1.9, 5.3 | <.001 |
| Diabetes without revascularization | 1.5 | .62, 3.6 | .37 | 3.0 | 1.4, 6.4 | .004 |
| No diabetes with revascularization | 1.5 | .57, 4.0 | .41 | 3.0 | 1.2, 7.5 | .02 |
| Diabetes with revascularization | 1.4 | .46, 4.5 | .53 | 2.9 | .99, 8.5 | .05 |