Table 3. Mean CBF values and intra-group variability in intensity for the three reference regions.
| Controls n = 20 | MCI n = 15 | Alzheimer n = 28 | ANOVA | ||||||
| Mean (SD) | CV | Mean (SD) | CV | Mean (SD) | CV | F | p | ||
| CBFcgm | 0.11 (0.04) | 39.2 | 0.11 (0.05) | 48.8 | 0.11 (0.05) | 49.3 | 0.03 | NS | |
| CBFcer | 0.30 (0.12) | 41.0 | 0.29 (0.14) | 50.2 | 0.28 (0.14) | 50.5 | 0.14 | NS | |
| CBFwm | 0.07 (0.03) | 41.7 | 0.07 (0.03) | 50.3 | 0.06 (0.03) | 50.1 | 0.28 | NS | |
CV, coefficient of variation (%); SD, standard deviation; CBFcgm, cerebral blood flow of whole-brain cortical gray matter; CBFcer, cerebral blood flow of cerebellum; CBFwm, cerebral blood flow of whole-brain white matter; F, ANOVA F value; p, ANOVA p value; NS, not significant.