Table 2:

Contingency table with the NASCET-style ratios defining the presence of disease in the final carotid stenosis group analyzed (n = 136) and the millimeter stenosis measurements as the test variable

Stenosis Measurements	<50%	50–69%	70%+
>2.2 mm	60	5	0	65
1.4 to 2.2 mm	3	42	2	47
1.3 mm or less	0	9	15	24
	63	56	17	n = 136