Table 2 Variables significantly associated with amputation in a multivariate logistic model
Covariate | Odds Ratio | 95% confidence interval | P-value |
|---|---|---|---|
5 year increase in age | 0.90 | 0.86 – 0.94 | <0.001 |
African American v Caucasian | 1.52 | 1.27 – 1.81 | <0.001 |
Diabetes as cause of ESRD | 1.66 | 1.40 – 1.96 | <0.001 |
Peritoneal dialysis | 1.54 | 1.14 – 2.09 | 0.005 |
Gangrene v claudication | 19.0 | 13.86 – 25.95 | <0.001 |
Indication for amputation unknown/other v claudication | 1.53 | 1.08 – 2.18 | 0.018 |
Each g/dl increase in serum albumin | 0.73 | 0.64 – 0.83 | <0.001 |
Needs assistance to transfer | 1.72 | 1.00 – 2.94 | 0.049 |
Needs assistance to ambulate | 2.59 | 1.89 – 3.53 | <0.001 |