Table 4.
Distribution of patients with diabetes by disease characteristics at admission in relation to foot amputation.
| Characteristics | Amputation | PR (95% CI) | p | |
|---|---|---|---|---|
| No n (prevalence %) |
Yes n (prevalence %) |
|||
| Previous conservative procedure | <0.001 | |||
| No | 8 (14.6) | 47 (85.5) | 1 | |
| Yes | 31 (68.9) | 14 (31.1) | 0.36 (0.23–0.57) | |
| Osteomyelitis | <0.001 | |||
| No | 32 (66.7) | 16 (33.3) | 1 | |
| Yes | 7 (13.5) | 45 (86.5) | 2.60 (1.71–3.94) | |
| Wagner criteria | 0.051 | |||
| 2 or 3 | 16 (64.0) | 9 (36.0) | 1 | |
| 4 | 23 (30.7) | 52 (69.3) | 1.93 (0.95–3.91) | |
| Previous amputation | 0.255 | |||
| No | 29 (42.6) | 39 (57.4) | 1 | |
| Yes | 10 (31.2) | 22 (68.8) | 1.20 (0.88–1.64) | |
| Diabetic foot characteristics | 0.256 | |||
| Neuropathic | 1 (25.0) | 3 (75.0) | 1 | |
| Ischemic | 7 (70.0) | 3 (30.0) | 0.40 (0.13–1.21) | |
| Neuroischemic | 31 (36.1) | 55 (63.9) | 0.85 (0.47–1.54) | |
| Age at admission | 0.321 | |||
| <60 | 13 (30.9) | 29 (69.1) | 1 | |
| 60 to 69 | 10 (40.0) | 15 (60.0) | 0.87 (0.59–1.27) | |
| ≥70 | 16 (48.5) | 17 (51.5) | 0.75 (0.51–1.10) | |
| Glucose level at admission (mmol/L) (n = 98) | 0.480 | |||
| <7.77 | 8 (47.1) | 9 (52.9) | 1 | |
| ≥7.77 | 30 (37.0) | 51 (63.0) | 1.19 (0.74–1.92) | |
| Involvement of the other lower limb | 0.701 | |||
| No | 27 (40.3) | 40 (59.7) | 1 | |
| Yes | 12 (36.4) | 21 (63.6) | 1.07 (0.77–1.48) | |
p values <0.05 were considered statistically significant (indicated in bold). CI: confidence interval; PR: prevalence ratio; PRadj: adjusted prevalence ratio.