Association between impaired CVR and the development of stroke in patients with asymptomatic carotid stenosis
| Study (year) | Number of patients | Patients with impaired CVR | Mean follow-up (months) | OR (95% CI) |
| Gur et al 42 (1996) | 44 | 21/44 | 24 | 22.50 (1.44 to 1054.40) |
| Silvestrini et al 43 (2000) | 94 | 40/94 | 28.5 | 3.72 (1.05 to 14.85) |
| Markus and Cullinane44 (2001) | 107 | NM | 21.7 | 14.4 (2.63 to 78.74) |
| Kimiagar et al 45 (2010) | 35 | 21/35 | 48 | 6.50 (0.65 to 315.02) |
| King et al 46 (2011) | 106 | 32/106 | 22.7 | 3.62 (0.61 to 21.74) |
CVR, cerebrovascular reserve; NM, not mentioned.