Table 4

Comparison of the present with previous United Kingdom studies: case fatality

Study centre	Date	Age range reported (years)	Total cases	Percentage fatal^4-150
East London⁷	1970–72	< 65	878	40 (36)
Oxford⁶	1966–67	< 70	357	59 (40)
Teeside^{8 11}	1972–73	< 75	1516	44 (45)
Edinburgh⁹ ^4-151	1970	< 70	1858	43 (40)

↵4-150 Proportions from comparable age groups in the present study (3523 cases) given in parentheses.
↵4-151 Surviving patients with “ischaemia” (no infarction) are excluded from the analysis.