Quality assessment of included RCTs
| Study (author, country, year) | Type of study | Base population | Randomisation | Blinding | Confounding | Losses to follow-up | Analysis |
|---|---|---|---|---|---|---|---|
| Ronnemaa, Finland, 199722 | RCT | Community-based care in Finland, receiving antidiabetic drug treatment from the national drug reimbursement register | Randomisation performed separately for men/women and patients </> 20 years. Method of randomisation not described | Outcome assessor blinded to baseline characteristics but no further information on blinding provided | Baseline characteristics not described | Follow-up completed by 63% of patients in intervention group and 62% patients in control group at 7 years | No intention to treat analysis undertaken |
| Plank, Austria, 200323 | RCT | All in routine outpatient care at hospital diabetic foot clinic in Austria | Subjects were assigned a patient number in ascending order and randomly allocated to the intervention or control group | Allocation concealment ensured | Similar baseline characteristics | All patients followed up | Intention to treat and per protocol analysis |
RCT, randomised controlled trial.