TABLE 3.
Overall proportion of 6-month outcomes and proportion of 6-month healing by first visit completion, race/ethnicity, and a combination of the two.
| Overall primary and secondary outcomes | |||||
|---|---|---|---|---|---|
|
| |||||
| Group | Risk (95% CI)a | ||||
| Healed | 0.289 (0.231, 0.347) | ||||
| Major amputation | 0.067 (0.053, 0.081) | ||||
| All-cause mortality | 0.096 (0.076, 0.116) | ||||
| Healed | |||||
|
| |||||
| Group | Risk (95% CI) a | Risk ratio (95% CI) a | Chi-square b | df b | p-value b |
| First visit completion status | |||||
| Completed | 0.339 (0.270, 0.407) | 1.71 (1.48, 1.95) | 11.941 | 1 | <0.001 |
| Not completed | 0.198 (0.156, 0.240) | ||||
| Race/ethnicity | |||||
| Non-White | 0.254 (0.201, 0.307) | 0.79 (0.55, 1.03) | 2.377 | 1 | 0.123 |
| White | 0.321 (0.256, 0.386) | ||||
| Combined | |||||
| Completed/White | 0.336 (0.267, 0.406) | 1.18 (0.91, 1.45) | 2.295 | 1 | 0.130 |
| Not completed/White | 0.285 (0.223,0.348) | ||||
| Completed/non-White | 0.338 (0.268, 0.409) | 2.89 (2.66, 3.11) | 13.186 | 1 | <0.001 |
| Not completed/non-White | 0.117 (0.085, 0.149) | ||||
a
Risks calculated using AJ-estimators accounting for major amputation and death as competing events and adjusting for age, initial wound size, and revascularization. Standard errors for 95% CIs produced using bootstrapping.
b
Chi-square values, df, and p-values calculated using Gray's test for equality of cumulative incidence functions.