Table 2. The frequency of atherosclerosis risk factors among patients with stenosis and/or total occlusion in cervicocerebral arteries.
| Risk Factors | Only Intracranial Involvement N = 37 | Only Extracranial Involvement N = 180 | Both Intracranial and Extracranial Involvements N = 125 | P-Value |
|---|---|---|---|---|
| Mean age (95%Confidence interval) | 65.9(62.6-69.2) | 66.2(64.6-67.7) | 67.7(65.9-69.5) | 0.4 |
| Male gender (%) | 20(54) | 112(62.2) | 81(64.8) | 0.5 |
| Diabetes mellitus (%) | 23(62.2) | 71(39.5) | 72(57.6) | 0.002 |
| Hypertension (%) | 29(78.3) | 154(85.6) | 102(81.6) | 0.4 |
| Hyperlipidemia (%) | 16(43.3) | 106(58.9) | 76(60.8) | 0.1 |
| Smoking (%) | 10(27) | 48(26.7) | 45(36) | 0.2 |