Research Article

Role of the CHADS2 Score in the Evaluation of Carotid Atherosclerosis in Patients with Atrial Fibrillation Undergoing Carotid Artery Ultrasonography

Table 1

Baseline clinical characteristics.

Atrial fibrillation (n = 109)
Control group
(n = 50)
Paroxysmal AF group
(n = 59)
Persistent AF group
(n = 50)

Age (years)55.98 ± 7.1958.32 ± 10.1859.30 ± 8.94
SBP (mmHg)122.74 ± 13.34135.19 ± 19.137.48 ± 18.
DBP (mmHg)81.1 ± 611.2979.51 ± 13.8183.90 ± 12.44
Heart rate min −166.60 ± 11.7271.68 ± 24.2088.58 ± 20.
Body mass index (kg/m2)24.76 ± 4.5326.18 ± 3.5226.12 ± 3.67
Waist-hip ration0.87 ± 0.060.89 ± 0.00.91 ± 0.0
Fasting glucose (mmol/L)5.42 ± 0.795.67 ± 2.045.48 ± 1.06
Cholesterol(mmol/L)5.02 ± 0.994.77 ± 0.954.79 ± 1.40
HDL cholesterol (mmol/L)1.35 ± 0.271.29 ± 0.301.23 ± 0.30
LDL cholesterol (mmol/L)2.65 ± 0.622.74 ± 0.722.76 ± 1.02
Triglycerides (mmol/L)1.50 ± 0.911.50 ± 0.741.73 ± 1.19
Male (%)22 (44%)37 (62%)32 (64%)
Smoking history (%)17 (33%)23 (39%)23 (46%
Drinking history (%)15 (29%)27 (46%27 (53%
Hypertension (%)8 (16%)36 (62%29 (57%)
Diabetes mellitus (%)24 (4%)12 (20%8 (16%)
CAD (%)021 (36%21 (41%
Prior Stroke (%)03 (5%)13 (26%
Statins (%)013 (22%13 (26%
Beta-blockers (%)1 (2%)36 (61%32 (64%
ACEI (%)022 (37%12 (23%
ARB (%)014 (24%20 (39%
Anticoagulants (%)1 (2%)24 (41%19 (37%
Aspirin (%)2 (4%)35 (60%36 (71%
CHADS2 score
0 (%)38 (76%)20 (33.9%)17 (34%)
1 (%)12 (24%)30 (50.8%)12 (24%)
2 (%)08 (13.6%)14 (28%)
3 (%)007 (14%)
≥4 (%)01 (1.7%)0

Note. Compared with the control group, < 0.05; < 0.01; < 0.001.
Compared with the paroxysmal atrial fibrillation group, P < 0.05; ††P < 0.01; †††P < 0.001.
SBP, systolic blood pressure; DBP, diastolic blood pressure; CAD, coronary atherosclerotic heart disease; HDL, high-density lipoprotein; LDL, low-density lipoprotein; ACEI, angiotensin-converting enzyme inhibitors; ARB, angiotensin receptor blockers.