Table 3. Multivariable Factors Associated With Receiving Carotid Procedure vs Medical Management.
| Factora | Odds Ratio (95% CI) | P Value |
|---|---|---|
| Purchased vs direct care | 1.629 (1.285-2.063) | <.001 |
| Age | 1.027 (1.015-1.038) | <.001 |
| Male vs female | 1.245 (1.120-1.384) | <.001 |
| Race/ethnicity | ||
| Black vs white | 0.478 (0.350-0.653) | <.001 |
| Other vs white | 0.853 (0.520-1.399) | .65 |
| Unknown vs white | 0.908 (0.785-1.050) | .14 |
| Married vs single | 1.042 (0.859-1.264) | .68 |
| Symptomatic vs asymptomatic | 9.487 (7.611-11.824) | <.001 |
| Eligible for Medicare vs not eligible for Medicare | 0.691 (0.550-0.868) | .002 |
| Smoking vs nonsmoking | 1.939 (1.677-2.242) | <.001 |
| Hierarchical condition category score | 0.815 (0.730-0.910) | <.001 |
a
C statistic, 0.732 (Hosmer-Lemeshow goodness-of-fit; P = .81).