Table 2.
Mean Brain Volume According to Midlife and Late Life Alcohol Consumption Status.
| Mean, cm 3 (SD) | Abstainer | Light | Moderate | Heavy |
|---|---|---|---|---|
| Midlife alcohol consumption | ||||
| Hippocampus | 3.7 (0.40) | 3.9 (0.61) | 3.9 (0.54) | 3.9 (0.65) |
| Temporal lobe | 124.9 (15.0) | 127.4 (17.2) | 131.1 (15.4) | 135.3 (17.1) |
| Parietal lobe | 269.3 (49.1) | 272.4 (47.4) | 283.0 (48.0) | 278.6 (50.3) |
| Frontal lobe | 416.9 (46.8) | 437.2 (56.8) | 440.7 (53.3) | 447.0 (59.0) |
| Late life alcohol consumption | ||||
| Hippocampus | 3.8 (0.55) | 3.9 (.53) | 4.1 (0.61) | 3.8 (0.73) |
| Temporal lobe | 126.1 (16.4) | 131.2 (15.6) | 132.2 (17.5) | 133.0 (17.3) |
| Parietal lobe | 273.5 (49.0) | 275.8 (46.0) | 277.3 (46.6) | 283.0 (56.3) |
| Frontal lobe | 428.1 (53.8) | 447.7 (56.5) | 445.6 (56.1) | 446.0 (54.8) |
Abbreviation: SD, standard deviation.