Table 4.
Study (author, country, year) | Type of study | Primary outcome | Baseline risk as per diabetic foot risk stratification14 | Relative risk of amputation with contact with a podiatrist compared with no contact with a podiatrist |
---|---|---|---|---|
Ronnemaa, Finland, 199722 16 | RCT |
Diabetes-related amputation: One year follow-up: Intervention: 0 Control: 0 7-years follow-up: Intervention: 1 Control: 0 |
Low | 2.96 |
Plank, Austria, 200323 | RCT |
Diabetes-related amputation: 1-year follow-up: Intervention: 2 Control: 1 |
High (healed foot ulcers) | 0.92 |
Sowell, USA, 199924 | Cohort |
Amputation related to diabetes/gangrene/PVD 1-year follow-up: Intervention: 20 Control: 130 |
Unknown | 0.25 |
Lipscombe, Canada, 200337 | Cohort |
Diabetes-related amputation: Amputation during any of the 3 years of the study: Intervention: 11 Control: 4 |
High | 2.16 |
Lavery, USA, 201021 | Cohort |
Diabetes-related amputation: Actual number of amputations not outlined Amputation incidence density: 58.7 in Dialysis Group per 1 000 person-years 13.1 in Ulcer Group per 1 000 person-years |
High (history of foot ulcer) | Unknown |
Sloan, UK, 201038 | Cohort |
Diabetes-related amputation: 6-year follow-up: actual number of amputations not outlined |
Stage 1: Moderate Stage 2: High Stage 3: Active Stage 4: Active |
Stage 1 disease : 2.20 Stage 2 disease : 0.85 Stage 3 disease : 0.44 Stage 4 disease : 0.36 |
RCT, randomised controlled trial.