Age and sex standardised prevalence of CHD among men and women at 31 March of successive years
| Year | Number of practices | Men | Women | ||||
|---|---|---|---|---|---|---|---|
| Population | CHD cases | Prevalence (%) (95% CI)* | Population | CHD cases | Prevalence (%) (95% CI)* | ||
| *Directly standardised age and sex adjusted percentages based on the population at 31 March 2002 as the standard population. | |||||||
| CHD, coronary heart disease; CI, confidence interval. | |||||||
| 1997 | 37 | 101371 | 2678 | 2.9 (2.8 to 3.0) | 106826 | 2116 | 1.8 (1.7 to 1.8) |
| 1998 | 40 | 111787 | 3754 | 3.8 (3.7 to 3.9) | 117292 | 2983 | 2.3 (2.2 to 2.4) |
| 1999 | 48 | 140818 | 5200 | 4.0 (3.9 to 4.1) | 147476 | 4160 | 2.5 (2.4 to 2.5) |
| 2000 | 53 | 169483 | 6175 | 3.8 (3.7 to 3.9) | 176413 | 4919 | 2.3 (2.3 to 2.4) |
| 2001 | 55 | 177296 | 7341 | 4.2 (4.1 to 4.3) | 183085 | 5921 | 2.7 (2.6 to 2.7) |
| 2002 | 55 | 178396 | 8002 | 4.5 (4.4 to 4.6) | 183759 | 6433 | 2.9 (2.8 to 2.9) |