Table 3: CIMT scoring system.

Age (years)	Gender	Left carotid artery			Right carotid artery
Age (years)	Gender	Normal	Borderline	Abnormal	Normal	Borderline	Abnormal
≤ 30	Male	≤ 0.55	0.56 - 0.59	≥ 0.60	≤ 0.50	0.51- 0.54	≥ 0.55
≤ 30	Female	≤ 0.50	0.51 - 0.54	≥ 0.55	≤ 0.46	0.47 - 0.50	≥ 0.51
31-40	Male	≤ 0.64	0.65 - 0.69	≥ 0.70	≤ 0.57	0.58 - 0.62	≥ 0.63
31-40	Female	≤ 0.57	0.58 - 0.62	≥ 0.63	≤ 0.54	0.55 - 0.59	≥ 0.60
41-50	Male	≤ 0.69	0.70 - 0.75	≥ 0.76	≤ 0.61	0.62 - 0.66	≥ 0.67
41-50	Female	≤ 0.64	0.65 - 0.69	≥ 0.70	≤ 0.60	0.61 - 0.65	≥ 0.66
51-60	Male	≤ 0.83	0.84 - 0.89	≥ 0.90	≤ 0.78	0.79 - 0.83	≥ 0.84
51-60	Female	≤ 0.71	0.72 - 0.77	≥ 0.78	≤ 0.68	0.69 - 0.73	≥ 0.74
61-70	Male	≤ 0.93	0.94 - 1.02	≥ 1.03	≤ 0.88	0.89 - 0.97	≥ 0.98
61-70	Female	≤ 0.81	0.82 - 0.89	≥ 0.90	≤ 0.78	0.79 - 0.86	≥ 0.86
≥70	Male	≤ 1.03	1.04 - 1.10	≥ 1.11	≤ 0.98	0.99 - 1.08	≥ 1.09
≥70	Female	≤ 0.91	0.92 - 1.00	≥ 1.01	≤ 0.88	0.89 - 0.97	≥ 0.98

Ranges of values of common carotid artery intima-media thickness by age and gender. The criterion for normal, borderline, and abnormal left and right CIMT.