Table 3.
Logistic regression analysis univariable and multivariable with dependent predictors of hard‐to‐heal wound (n = 208)
| Univariable model | Multivariable model | |||
|---|---|---|---|---|
| Predictors | OR (CI) | P‐value | OR (CI) | P‐value |
| Special foot wear at first visit | 1.80 (0.91‐3.53) | .09 | 1.79 (0.84‐3.82) | .13 |
| Comorbidity claudication | 0.52 (0.20‐1.35) | .18 | ||
| Number of previous DFUs | 1.35 (0.97‐1.88) | .08 | 1.42 (1.01‐1.99) | .04 |
| History of amputation | 1.14 (0.60‐2.17) | .70 | ||
| Duration of ulcer before first visit (weeks) | 1.00 (0.98‐1.01) | .96 | ||
| Texas classification (stage) | ||||
| UT (ref: A) | ||||
| B | 1.59 (0.77‐3.28) | 0.21 | ||
| C | 1.53 (0.41‐5.69) | 0.53 | ||
| D | 2.03 (0.36‐11.54) | 0.42 | ||
| Texas classification (grade) | ||||
| UT (ref: 1) | ||||
| 2 | 2.58 (1.17‐5.69) | 0.02 | 2.93 (1.27‐6.72) | .01 |
| 3 | 2.27 (1.02‐5.07) | 0.05 | 2.80 (1.17‐6.71) | .02 |
| HbA1C (mM/mol) | 1.01 (1.00‐1.02) | 0.50 | ||
| A diagnosis of foot stand deformation | 2.18 (1.11‐4.29) | 0.02 | 1.54 (0.77‐3.08) | .05 |
Abbreviations: CI, confidence interval; DFU, diabetic foot ulcer; OR, odds ratio; UT, University of Texas.