Table 1.

Clinical prediction model

Risk factor points	Age	Smoking behaviour	Hypertension
0	55 – 59 years	Never smoked	No hypertension
+ 1	60 – 64 years		Hypertension, adequately treated
+ 2	65 – 69 years	Ever smoked
+ 3	70 – 74 years		Hypertension, not adequately treated
+ 4	75 – 79 years
+ 5	80 – 84 years
+ 6	≥ 85 years
+ 7		Current smokers