The 10 year calculated coronary heart disease risk in RVO compared to the CHD Incidence in England (1991–4)
| cCHDR | Recorded incidence | p Value | |
|---|---|---|---|
| p values determined by χ2. | |||
| >15% risk , males (n = 29) | 62% | 28% | <0.0001 |
| >20% risk , males (n = 22) | 47% | 16% | <0.0001 |
| >30% risk, males (n = 8) | 17% | 3% | 0.002 |
| >15% risk, females (n = 17) | 40% | 9% | <0.0001 |
| >20% risk, females (n = 12) | 29% | 4% | <0.0001 |
| >30% risk, females (n = 4) | 10% | 0 | 0.004 |