Table 2.

Comparison on positive rate of carotid artery plaque according to demographic characteristic and biochemical item

Variables	Patient with plaque		Patient without plaque		X2	P
	N = 225	%	N = 183	%
Gender					0.908	0.341
Male	116	53.0	103	47.0
Female	109	57.7	80	42.3
Age (year)					93.697	< 0.001
< 40	8	13.6	51	86.4
40-50	29	35.4	53	64.6
50-60	59	56.2	46	43.8
60-70	64	78.0	18	22.0
≥ 70	65	81.3	15	18.7
Hypertension duration (year)					46.724	< 0.001
< 5	22	34.4	42	65.6
5-10	41	41.0	59	59.0
10-20	74	55.2	60	44.8
> 20	88	80.0	22	20.0
Weight					0.533	0.766
Normal	52	56.5	40	43.5
Overweight	96	56.5	74	43.5
Obese	77	52.7	69	47.3
Smoking					0.005	0.940
Yes	164	55.0	134	45.0
No	61	55.9	49	44.1
FBG (mmol/L)					9.728	0.008
3.9-6.0	144	50.3	142	49.7
6.1-6.9	38	62.3	23	37.7
≥ 7.0	43	70.5	18	29.5
2 h PG (mmol/L)					2.385	0.303
< 7.7	86	50.9	83	49.1
7.8-11.0	101	57.7	74	42.3
≥ 11.1	38	60.3	25	39.7
TG (mmol/L)					0.235	0.627
< 1.70	121	56.3	94	43.7
≥ 1.70	104	53.9	89	46.1
CHO (mmol/L)					5.833	0.054
< 5.18	153	51.9	142	48.1
5.18-6.1	51	60.7	33	39.3
≥ 6.22	21	72.4	8	27.6
HDL (mmol/L)					9.164	0.003
< 1.04	119	53.3	104	46.7
≥ 1.04	126	68.3	59	31.7
LDL (mmol/L)					5.167	0.076
< 3.37	155	51.8	144	48.2
3.37-4.12	49	62.8	29	37.2
≥ 4.14	21	67.7	10	32.3