Table 3

Back application of coefficients for coronary heart disease deaths to the same population

CHD type		Area				Total cases		Quintile class		RR 5/1
CHD type		Area				Total cases		1	2	RR 5/1		3	4	5
CHDD	NE	Observed	114	5	5	16	34	54	10.8
		Expected	114.3	5.7	10.7	16.2	24.7	57.0	10.0
		E/O ratio	1.00

CHDD	SE	Observed	113	6	14	21	21	51	8.5
		Expected	113.7	7.0	12.1	17.3	25.0	51.3	7.3
		E/O ratio	1.00

CHDD	Pool	Observed	227	8	29	22	38	130	16.2
		Expected	226.8	9.6	18.5	29.1	48.5	121.1	12.6
		E/O ratio	1.00

CHDH	NE	Observed	190	12	14	29	55	80	6.7
		Expected	190.5	12.1	20.9	30.0	43.4	84.1	6.9
		E/O ratio	1.00

CHDH	SE	Observed	192	12	26	32	44	78	6.5
		Expected	192.1	14.6	23.6	32.3	44.0	77.6	5.3
		E/O ratio	1.00

CHDH	Pool	Observed	382	19	51	46	74	192	10.1
		Expected	383.7	20.1	36.2	54.4	85.9	187.1	9.3
		E/O ratio	1.00

CHDA	NE	Observed	391	38	44	75	92	142	3.7
		Expected	391.1	36.3	54.3	70.2	90.1	140.2	3.9
		E/O ratio	1.00

CHDA	SE	Observed	395	35	51	85	78	146	4.2
		Expected	394.6	37.4	53.6	68.4	88.6	146.6	3.9
		E/O ratio	1.00

CHDA	Pool	Observed	786	49	100	112	164	361	7.4
		Expected	785.3	52.8	82.3	118.6	181.8	349.8	6.6
		E/O ratio	1.00

E/O ratio, ratio expected cases/observed cases; RR 5/1, relative risk quintile 5 over quintile 1; see tables 1 and 2 for key to other abbreviations.