Time period | ||
---|---|---|
On waiting list for surgery | Within six months of surgery | |
*Source: Department of Health, Hospital Episodes Statistics (personal communication). †Sources: Seddon et al5 and Billing et al6 (this latter paper reports two analyses of waiting list mortality—one of a single surgeon's experience and based on only 12 deaths in 496 patients awaiting bypass surgery, the other based on 57 deaths in 3453 patients awaiting cardiac surgery; we used the latter estimate (4.1 per 100 patient years) in the estimate given above. ‡Source: Rita trial participants7 an estimate of the six-month myocardial infarction rate was derived from figure 2 of this paper. §Source: Brorsson et al.4 ¶UK Cardiac Surgical Register.8 | ||
Number on waiting list | 15000 | – |
Mean length of stay on waiting list (days)* | 197 | – |
Total number of patient years on waiting list | 8100 | – |
Myocardial infarction rate | 4.2/100 patient years6 | 5%‡ |
Approximate no of people experiencing a myocardial infarction | 340 | 750 |
Death rate | 3.45 to 4.16/100 patient years† | 1.9%§ to 2.6%¶ |
Approximate number of deaths | 280 to 330 | 285 to 390 |