Table 2 Completeness of recording for risk factors for men and women aged 35–74 initially free from cardiovascular disease and diabetes in the derivation and validation datasets
Risk factorsQRESEARCH validation cohortTHIN validation cohort
Men(n = 301 622)Women(n = 306 111)Men(n = 529 813)Women(n = 542 987)
Age301 622 (100.0)306 111 (100.0)529 813 (100.0)542 987 (100.0)
Sex301 622 (100.0)306 111 (100.0)529 813 (100.0)542 987 (100.0)
Deprivation
Body mass index (kg/m2)220 469 (73.1)246 553 (80.5)391 703 (73.9)451 155 (83.1)
Systolic blood pressure (mm Hg)252 826 (83.8)281 550 (92.0)457 217 (86.3)511 423 (94.2)
Total serum cholesterol (mmol/l)119 976 (39.8)127 886 (41.8)213 793 (40.4)221 869 (40.9)
HDL (mmol/l)86 875 (28.8)94 413 (30.8)151 782 (28.7)159 690 (29.4)
Smoking status254 718 (84.5)278 797 (91.1)460 616 (86.9)508 680 (93.7)
Complete data for all risk factors77 920 (25.8)86 061 (28.1)135 114 (25.5)145 994 (26.9)
  • Results are shown as counts (%) unless otherwise specified.

  • Patients receiving statins at baseline have been excluded.

  • HDL, high-density lipoprotein.