Table 3.
Multivariate analysis to examine association between MCA flow velocity, stroke subtype, demographic and risk factor variables
| a Proximal MCA – adjusted analysis (variable adjusted for all others in the table) | |||
|---|---|---|---|
| Variable | Estimate of change per unit change | 95% confidence limits | p value |
| Lacunar vs. cortical (cortical is baseline) | −3.57 | −7.39, 0.25 | 0.067 |
| Age | −0.20 | −0.39, −0.0045 | 0.045 |
| Sex (F is baseline) | −5.92 | −10.72, −1.12 | 0.016 |
| Diabetic status (N is baseline) | −2.55 | −8.05, 2.95 | 0.36 |
| Hypertension (N is baseline) | 3.99 | 0.080, 7.89 | 0.046 |
| White matter lesion score | −3.75 | −6.28, −1.22 | 0.004 |
| b Distal MCA – adjusted analysis (variable adjusted for all others in the table) | |||
| Lacunar vs. cortical (cortical is baseline) | −2.51 | −6.82, 1.79 | 0.25 |
| Age | −0.14 | −0.35, 0.078 | 0.21 |
| Sex (F is baseline) | −7.07 | −12.45, −1.68 | 0.011 |
| Diabetic status (N is baseline) | −4.90 | −10.92, 1.11 | 0.11 |
| Hypertension (N is baseline) | 4.13 | −0.20, 8.46 | 0.061 |
| White matter lesion score | −3.23 | −6.09, −0.37 | 0.027 |
F = Female; N = normal.