Table 3.
Description | Cluster center | BOLD averaged amplitude signal (%) | P | qCBF | P | BOLD qCBF interaction | ||
---|---|---|---|---|---|---|---|---|
x,y,z (mm) | (ml/100g/min) | |||||||
Statin Treated Subjects (n=8) (Mean ± SE) | Placebo Treated Subjects (n=7) (Mean ± SE) | statin vs. Placebo*(P) | Statin Treated Subjects (n=8) (Mean ± SE) | Placebo Treated Subjects (n=7) (Mean ± SE) | statin vs. Placebo*(P) | statin vs. Placebo ** | ||
Right angular gyrus | 46,−54,40 | 0.265 ± 0.1 | −0.19 ± 0.06 | 0.005 | 74.6 ± 10.4 | 54.3 ± 10.4 | 0.30 | P = 0.824 |
Right middle temporal gyrus | 66, −32, −26 | 0.30 ± 0.06 | −0.21 ± 0.10 | 0.005 | 53.6 ± 8.6 | 44.8 ± 6.7 | 0.16 | P = 0.354 |
Left superior parietal lobule | −18, −70,46 | 0.45 ± 0.16 | −0.19 ± 0.10 | 0.010 | 70.2 ± 10.8 | 55.0 ± 13.1 | 0.44 | P = 0.202 |
Right superior frontal sulcus | 20, −20,58 | 0.40 ± 0.12 | −0.05 ± 0.04 | 0.014 | 45.6 ± 8.0 | 33.9 ± 6.3 | 0.30 | P = 0.75 |
Global Grey Matter | 62.0 ± 16.8 | 60.0 ± 10.7 | 0.875 | N/A | ||||
Global white Matter | 46.9 ± 11.8 | 45.4 ± 7.7 | 0.713 | N/A | ||||
BOLD latency to PV faces (s) | Cerebral Blood Mean Transit Time (s) | |||||||
Right middle frontal gyrus | 30, −4,68 | −0.40 ± 0.33 | 1.05 ± 0.12 | 0.008 | 5.68 ± 0.33 | 5.14 ± 0.19 | 0.29 | N/A |
Left precentral gyrus | −45, −5,24 | −0.25 ± 0.16 | 1.02 ± 0.17 | 0.001 | 6.23 ± 0.39 | 6.22 ± 0.33 | 0. 73 | N/A |
Right posterior middle frontal gyrus | 30, −7,43 | −0.69 ± 0.12 | 0.65 ± 0.09 | 0.001 | 6.14 ± 0.40 | 6.09 ± 0.32 | 0.73 | N/A |
Left cuneus | −21, −62,18 | −0.36 ± 0.21 | 0.87 ± 0.16 | 0.001 | 6.65 ± 0.39 | 6.35 ± 0.33 | 0.64 | N/A |
Group difference in BOLD and ASL between groups were tested by non-parametric Wilcoxon rank test.
Interactions of BOLD and ASL were tested by non-parametric Check Assumption of Parallelism (Sen, Adichie).