Table 1

RCGP RSC data completeness on key variables for patients with and without diabetes

Variables	Diabetes		Non-diabetes
Variables	Count	Per cent	Count	Per cent
Age	39 559	100	977 445	100
Gender	39 559	100	977 445	100
Deprivation score	38 312	97	935 128	96
CV risk factors
Smoking status	38 928	98	669 874	69
Blood pressure (systolic)	38 935	98	502 188	51
BMI (or height and weight)	38 225	97	524 384	54
Ethnicity	30 409	77	585 279	60
Cholesterol (HDL, LDL, other)	37 386	95	293 082	30
Glycaemic control (blood glucose/HbA1c)	39 244	99	253 532	26

BMI, body mass index; CV, cardiovascular; HDL, high-density lipoprotein; LDL, low-density lipoprotein; RCGP RSC, Royal College of General Practitioners Research and Surveillance Centre.