|General practitioner study form return rates and analysable data by HES diagnostic groups|
|HES Diagnosis (ICD-10 code)|
|Ischaemic Heart Disease (I20-I25)||Venous Thromboembolism (I26, I80-I82)||Cerebrovascular Disease (G45, I60-I69)||No Vascular Disease|
|Study forms sent to general practitioners||N=1004||N=1004||N=1004||N=997|
|Study forms returned||90.4% (908)||90.3% (907)||90.1% (905)||92.1% (918)|
|% of returned study forms with analysable diagnostic data||87.7% (796)||83.9% (761)||84.7% (766)||94.1% (864)|
HES: hospital episode statistics; ICD-10: International Classification of Diseases (10th Revision).
Wright et al.
Wright et al. BMC Medical Research Methodology 2012 12:161 doi:10.1186/1471-2288-12-161