TABLE 1.

Distribution of Severity of Coronary Disease

Degree of stenosis	0 VD	1 VD	2 VD	3 VD	Sum
>50%	58	70	54	58	240
>70%	72	52	53	37	240
>90%	105	79	37	19	240

VD = vessel disease.
Data are for 240 patients classified according to presence of coronary stenoses in three major coronary vessels.