Table 5.

Classification and comparison of patients for 10-year coronary heart disease (CHD) risk scores calculated by British National Formulary (BNF) and Framingham methods

	BNF 10-year CHD risk prediction method
	No. of patients in different risk categories at baseline			No. of patients in different risk categories at 12 months
	<15%	15–30%	>30%	<15%	15–30%	>30%
Group	(mild)	(moderate)	(severe)	(mild)	(moderate)	(severe)
Intervention (n (%))	76 (63.3%)	44 (36.7%)	0	100 (85.5%)	16 (13.7%)	1 (0.9%)
Control (n (%))	78 (65.0%)	38 (31.7%)	4 (3.3%)	69 (59.0%)	44 (37.6%)	4 (3.4%)
P-value *	0.125			<0.001

	Framingham 10-year CHD risk prediction method
	No. of patients in different risk categories at baseline			No. of patients in different risk categories at 12 months
	<10%	10–20%	>20%	<10%	10–20%	>20%
	(mild)	(moderate)	(severe)	(mild)	(moderate)	(severe)
Intervention (n (%))	58 (48.3%)	60 (50%)	2 (1.7%)	80 (68.4%)	37 (31.6%)	0
Control (n (%))	48 (40%)	71 (59.2%)	1 (0.8%)	43 (36.8%)	74 (63.2%)	0
P-value *	0.392			<0.001

^*When comparing control and intervention groups.