Table III.
Multivariate results for 12-month mobility success
| Risk factor | RDa (95% CI) | P Value |
|---|---|---|
| Amputation levelb | ||
| TT | 0.17 (−0.02, 0.36) | .08 |
| TF | 0.06 (−0.13, 0.26) | .50 |
| Agec | ||
| 55–64 years | −0.10 (−0.36, 0.15) | .43 |
| 65 years | −0.52 (−0.75, −0.29) | <.001 |
| HTN (yes) | −0.23 (−0.43, −0.03) | .02 |
| AUD (yes)d | −0.37 (−0.48, −0.26) | <.001 |
| MH TX (yes) | −0.39 (−0.50, −0.28) | <.001 |
AUD, Alcohol use disorder; CI, confidence interval; HTN, hypertension; MH TX, prior treatment for anxiety or depression; RD, risk difference; TF, transfemoral; TM, transmetatarsal; TT, transtibial.
a
Risk differences generated from a negative binomial regression model represent an increase (or decrease if negative) in the success rate relative to reference category.
b
TM = reference category.
c
45 to 54 years = reference category.
d
positive screen or serious alcohol disorder; negative for alcohol disorder = reference category.