Research Article
Risk Factors for Foot Amputation in Patients Hospitalized for Diabetic Foot Infection
Table 3
Distribution of patients with diabetes by age, time to diagnosis, and diabetic care in relation to foot amputation.
| | Characteristics | Amputation | PR (95% CI) | | No
(prevalence %) | Yes
(prevalence %) |
| | More than 3 appointments in the past year | | | | 0.006 | | No | 7 (21.2) | 26 (78.8) | 1 | | | Yes | 32 (47.8) | 35 (52.2) | 0.66 (0.50–0.89) | | | Morisky test | | | | 0.012 | | 2, 3, or 4 | 33 (45.8) | 39 (54.2) | 1 | | | 0 or 1 | 6 (21.4) | 22 (78.6) | 1.45 (1.09–1.94) | | | Age at diagnosis of diabetes | | | | 0.030 | | <40 | 5 (20.0) | 20 (80.0) | 1 | | | 40 to 59 | 23 (42.6) | 31 (57.4) | 0.72 (0.53–0.97) | | | ≥60 | 11 (52.4) | 10 (47.6) | 0.60 (0.36–0.97) | | | Diabetes monitoring | | | | 0.064 | | No | 5 (23.8) | 16 (76.2) | 1 | | | Yes | 34 (43.0) | 45 (57.0) | 0.75 (0.55–1.02) | | | Glucose testing in the past year | | | | 0.073 | | No | 3 (21.4) | 11 (78.6) | 1 | | | Yes | 36 (41.9) | 50 (58.1) | 0.74 (0.53–1.03) | | | Medical appointment in the past year | | | | 0.406 | | No | 7 (31.8) | 15 (68.2) | 1 | | | Yes | 32 (41.0) | 46 (59.0) | 0.86 (0.61–1.22) | | | Annual medical appointment after diagnosis | | | | 0.462 | | No | 9 (33.3) | 18 (66.7) | 1 | | | Yes | 30 (41.1) | 43 (58.9) | 0.88 (0.64–1.23) | | | Time since diagnosis (years) | | | | 0.586 | | <15 | 22 (41.5) | 31 (58.5) | 1 | | | ≥15 | 17 (36.2) | 30 (63.8) | 1.09 (0.80–1.49) | |
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values <0.05 were considered statistically significant (indicated in bold). CI: confidence interval; PR: prevalence ratio.
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