Table.

Standardised mortality calculation for ischaemic heart disease/myocardial infarction. Figures are numbers for cohort unless stated otherwise

Age (years)	No of patients	Years of observation	No of deaths	No of deaths/year	Deaths/1000/year in England (1998)	Expected No of deaths in cohort/year
15-24	15	0.55	0	0	0.003600	0.000054
25-34	145	0.51	0	0	0.028400	0.004118
35-44	473	0.49	0	0	0.222000	0.105006
45-54	1171	0.51	1.00	1.97	0.978100	1.145355
55-64	1583	0.50	5.00	10.00	3.277600	5.188440
65-74	1200	0.50	2.00	4.01	9.153800	10.984560
⩾75	190	0.48	2.00	4.21	60.278400	11.452896
Not specified	824	0.49	N/A	N/A	N/A	N/A
Total	5601	0.50	10.00	20.20	73.941900	28.88