Table 5

The 10 year calculated coronary heart disease risk in CRVO and BRVO compared with the CHD incidence in England (1991–4)

cCHDRRecorded incidencep Value
p values determined by χ2.
CRVO
    >15% risk , males (n = 11)48%28%0.006
    >20% risk , males (n = 8)35%16%0.004
    >30% risk , males (n = 1)4%3%ns
    >15% risk , females (n = 6)33%9%<0.0001
    >20% risk , females (n = 5)28%4%<0.0001
    >30% risk , females (n = 1)6%00.038
BRVO
    >15% risk , males (n = 18)75%28%<0.0001
    >20% risk , males (n = 14)58%16%<0.0001
    >30% risk , males (n = 7)29%3%<0.0001
    >15% risk , females (n = 11)46%9%<0.0001
    >20% risk , females (n = 7)29%4%<0.0001
    >30% risk , females (n = 3)12%00.001