Table 4.
Cox regression analysis univariable and multivariable with dependent predictors for time to healing (n = 208)
| Univariable model | Multivariable model | |||
|---|---|---|---|---|
| Predictors | HR (CI) | P‐value | HR (CI) | P‐value |
| Special foot wear at first visit | 0.82 (0.60‐1.12) | .21 | ||
| Comorbidity Claudication | 1.12 (0.71‐1.76) | .62 | ||
| History of diabetic foot ulcer | 0.78 (0.58‐1.05) | .10 | 0.79 (0.58‐1.07) | .13 |
| Number of previous DFUs | 0.91 (0.77‐1.07) | .25 | ||
| History of amputation | 0.90 (0.65‐1.25) | .52 | ||
| Duration of ulcer before first visit (weeks) | 1.00 (0.99‐1.01) | .67 | ||
| Texas classification (stage) | ||||
| UT (ref: A) | ||||
| B | 0.72 (0.59‐0.86) | .07 | ||
| C | 0.90 (0.65‐1.25) | .75 | ||
| D | 0.92 (0.60‐1.39) | .83 | ||
| Texas classification (grade) | ||||
| UT (ref: 1) | ||||
| 2 | 0.80 (0.66‐0.97) | .24 | 0.81 (0.56‐1.19) | .29 |
| 3 | 0.62 (0.51‐0.76) | .02 | 0.61 (0.41‐0.90) | .01 |
| HbA1C (mM/mol) | 0.99 (0.98‐1.01) | .29 | ||
| A diagnosis of foot stand deformation | 0.75 (0.54‐1.05) | .10 | 0.75 (0.54‐1.05) | .09 |
Abbreviations: CI, confidence interval; DFU, diabetic foot ulcer; HR, hazard ratio for the risk of wound healing; UT, University of Texas.