Standard care | Intervention | |
---|---|---|
Practice-level summary | ||
Number of practices | 79 | 76 |
Per cent vaccinated in cluster—median (minimum, maximum) | 50.6 (27.7 to 76.2) | 53.4 (38.5 to 81.1) |
Per cent vaccinated in cluster—mean (SD) | 51.7% (8.8%) | 54.3% (8.4%) |
Patient-level summary | ||
Total patients | 51 136 | 51 121 |
Number vaccinated | 25 939 (50.7%) | 26 804 (52.4%) |
Estimated difference in uptake percentage: | ||
Primary analysis* | 2.62 (95% CI −0.09 to 5.33), | p=0.058 |
Sensitivity analysis, further adjusting for data source† | 2.66 (95% CI: −0.03 to 5.34) | p=0.052 |
*Minimum variance weighted cluster t test.
† Data sources: CPRD, TPP SystmOne, EMIS/Vision; used to stratify randomisation.
CPRD, Clinical Practice Research Datalink.