Smith 2004.
| Study characteristics | ||
| Methods |
The North Dublin randomized controlled trial of structured diabetes shared care Cluster‐RCT (30 clusters with 50 providers), conducted in general practices in Ireland Two arms: 1. Control (control arm) and 2. Intervention (intervention arm) |
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| Participants | Control arm N: 87 Intervention arm N: 96 Diabetes type: type 2 Mean age: 65.1 ± 11.6 % Male: 55.5 Longest follow‐up: 18 months |
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| Interventions |
Control arm: None Intervention arm: 1) Team changes 2) Clinician education |
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| Outcomes | 1) Aspirin, N users (%) Control arm: pre 50 (57), post 44 (51) Intervention arm: pre 45 (47), post 60 (63) 2) Statins, N users (%) Control arm: pre 14 (16), post 30 (34) Intervention arm: pre 21 (22), post 44 (46) 3) Retinopathy screening (fundoscopy), N screened (%) Control arm: pre NR (NR), post 34 (39) Intervention arm: pre NR (NR), post 58 (60) 4) Foot screening, N screened (%) Control arm: pre 42 (48), post 45 (52) Intervention arm: pre 44 (46), post 59 (61) 5a) Renal screening (microalbumin), N screened (%) Control arm: pre NR (NR), post 10 (11) Intervention arm: pre NR (NR), post 43 (45) 5b) Renal screening (creatinine), N screened (%) Control arm: pre NR (NR), post 8 (9) Intervention arm: pre NR (NR), post 44 (46) 6) HbA1c, mean % (SD) Control arm: pre 6.6 (1.9), post 6.7 (NR) Intervention arm: pre 6.9 (1.6), post 7.0 (NR) 7) SBP, mean mmHg (SD) Control arm: pre 167.0 (28.0), post 163.4 (NR) Intervention arm: pre 162.0 (26.0), post 157.7 (NR) 8) DBP, mean mmHg (SD) Control arm: pre 92.0 (14.0), post 90.4 (NR) Intervention arm: pre 88.0 (14.0), post 89.1 (NR) |
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| Funding source | NA | |
| Notes | — | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | Random number table. |
| Allocation concealment (selection bias) | Low risk | Cluster‐RCT. |
| Provider's baseline characteristics (selection bias) | High risk | Not reported. |
| Patient's baseline characteristics (selection bias) | Low risk | See Table 1, P values > 0.05. |
| Patient's baseline outcomes (selection bias) | Low risk | See Table 1, P values > 0.05. |
| 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. |