Frijling 2002.
| Study characteristics | ||
| Methods |
Multifaceted support to improve clinical decision making in diabetes care: a randomized controlled trial in general practice Cluster‐RCT (124 clusters with 185 providers), conducted in the Netherlands Two arms: 1. Control (control arm) and 2. Intervention (intervention arm) |
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| Participants | Control arm N: 707 Intervention arm N: 703 Diabetes type: type 2 Mean age: 65.0 ± 11.5 % Male: 44.6 Longest follow‐up: 21 months |
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| Interventions |
Control arm: None Intervention arm: 1) Audit and feedback 2) Clinician education 3) Continuous quality improvement |
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| Outcomes | 1) Retinopathy screening (eye exam), N screened (%) Control arm: pre 474 (67), post 469 (65) Intervention arm: pre 492 (70), post 575 (79) 2) Foot screening, N screened (%) Control arm: pre 276 (39), post 346 (48) Intervention arm: pre 302 (43), post 451 (62) |
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| Funding source | This study was supported by a research grant from the Netherlands Heart Foundation | |
| Notes | — | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | Information not available. |
| Allocation concealment (selection bias) | Low risk | Information not available. |
| Provider's baseline characteristics (selection bias) | Unclear risk | Table 1 ‐ no P values reported, looks balanced, # physicians not reported. |
| Patient's baseline characteristics (selection bias) | Unclear risk | Table 1 ‐ no education level reported, age and gender looks balanced, no P values. |
| Patient's baseline outcomes (selection bias) | Unclear risk | Table 1 shows the data (for uncontrolled glucose) and the P values are not significant. No other information on other outcomes. |
| Incomplete outcome data (attrition bias) | Low risk | Information not available. |
| Blinding of participants and personnel (performance bias) and of outcome assessors (detection bias) | Low risk | Information not available. |
| Selective reporting (reporting bias) | Low risk | Information not available. |
| Risk of contamination (other bias) | Low risk | Information not available. |
| Other bias | Low risk | Information not available. |