Table 5. Multivariate logistic regression analysis output of different dependent factors of the study.
B: estimated coefficient for the independent variable(s); S.E.: standard error of the estimate; df: degrees of freedom; Sig.: statistical significance; Exp(B): odds ratio; C.I.: confidence interval; BMI: body mass index; HBA1C: glycosylated hemoglobin; DM: diabetes mellitus
| Variable | B | S.E. | Wald | df | Sig. | Exp(B) | 95% C.I. for EXP(B) |
| Age | 0.038 | 0.055 | 0.487 | 1 | 0.485 | 1.039 | 0.933-1.158 |
| Sex | -0.834 | 1.24 | 0.453 | 1 | 0.501 | 0.434 | 0.038-4.936 |
| BMI (kg/m2) | 0.044 | 0.126 | 0.122 | 1 | 0.727 | 1.045 | 0.816-1.339 |
| HbA1C | 0.144 | 0.188 | 0.591 | 1 | 0.442 | 1.155 | 0.800-1.669 |
| DM in years | 0.059 | 0.063 | 0.877 | 1 | 0.349 | 1.061 | 0.937-1.201 |
| Previous ulcer | -23.295 | 11810.01 | 0 | 1 | 0.998 | 0 | - |
| Previous amputation | 2.638 | 68271.95 | 0 | 1 | 1 | 13.988 | - |
| Absent pedal pulses | -1.994 | 1.194 | 2.787 | 1 | 0.095 | 0.136 | 0.013-1.415 |
| Active ulcer | -23.028 | 10619.79 | 0 | 1 | 0.998 | 0 | - |
| Ingrown toenail | -1.614 | 1.079 | 2.235 | 1 | 0.135 | 0.199 | 0.024-1.652 |
| Calluses | -0.331 | 1.321 | 0.063 | 1 | 0.802 | 0.718 | 0.054-9.563 |
| Blisters | 19.384 | 55186.77 | 0 | 1 | 1 | 262083987.055 | - |
| Constant | 19.339 | 40192.98 | 0 | 1 | 1 | 250479834.697 | - |