Variable | Model 1: patient variables only OR (95% CI) | Model 2: risk groups only OR (95% CI) | Model 3: Adjusted OR (95% CI) |
Age cohort | |||
Age <55 | |||
Age ≥55 | 0.946 (0.848 to 1.055) | 1.114 (1.004 to 1.236) | |
Sex | |||
Female | |||
Male | 1.385 (1.248 to 1.537) | 1.552 (1.404 to 1.716) | |
Registration with practice | |||
Existing patient | |||
New patient | 1.661 (1.301 to 2.120) | 1.715 (1.353 to 2.174) | |
History of hypertension | |||
No prior hypertension | |||
Prior episode of hypertension | 1.756 (1.580 to 1.952) | 2.144 (1.938 to 2.371) | |
Lifestyle factors | |||
Not current smoker | |||
Current smoker | 1.245 (1.113 to 1.394) | 1.269 (1.138 to 1.415) | |
Not obese/overweight | |||
Overweight | 0.972 (0.858 to 1.102) | 0.904 (0.801 to 1.020) | |
Obese | 1.073 (0.945 to 1.218) | 0.956 (0.846 to 1.081) | |
Comorbid conditions | |||
Diabetes | 0.812 (0.680 to 0.971) | ||
Kidney disease | 1.123 (0.932 to 1.353) | ||
Coronary heart disease | 2.980 (2.207 to 4.024) | ||
Cerebrovascular disease | 1.692 (1.397 to 2.050) | ||
Peripheral vascular disease | 0.976 (0.749 to 1.270) | ||
Myocardial infarction | 5.252 (4.498 to 6.133) | ||
Hyperlipidaemia | 0.916 (0.799 to 1.050) | ||
Pretreatment hypertension grade | |||
Lower than grade 1 | |||
Grade 1 | 0.272 (0.230 to 0.322) | ||
Grade 2 | 0.185 (0.157 to 0.218) | ||
Grade 3 | 0.352 (0.299 to 0.415) | ||
No pretreatment BP reading | 0.857 (0.693 to 1.060) | ||
Risk group | |||
Diabetes mellitus | 0.639 (0.530 to 0.771) | 0.597 (0.494 to 0.721) | |
Kidney disease | 1.035 (0.864 to 1.240) | 0.912 (0.758 to 1.098) | |
Cardiovascular | 0.524 (0.469 to 0.584) | 0.527 (0.472 to 0.588) | |
Low risk | |||
Number of observations | 44 011 | 44 011 | 44 011 |
Hosmer-Lemeshow goodness-of-fit | Pass | Pass | Pass |
C-statistic | 0.74 | 0.58 | 0.65 |
Bold text indicates statistical significance at the α=0.05 level on a two-tailed test estimated with stepdown Bonferroni correction of p values.