Table 6.
Differences in brain volumes between groups reporting recommended sleep
| Region | Difference mm3 (CI) Group 3 – group 4 | % difference (CI) Group 3 – group 4 |
|---|---|---|
| Accumbens | −1.3 (−8.4, 5.9) | −0.14 (−0.9, 0.7) |
| Amygdala | 13.9 (−2.6, 30.4) | 0.42 (−0.1, 0.9) |
| Brain stem | 28.3 (−64.0, 120.5) | 0.13 (−0.3, 0.6) |
| Caudate | 34.4 (−4.1, 72.9) | 0.51 (−0.1, 1.1) |
| Corpus callosum | −28.0 (−50.8, −5.1) | −0.79 (−1.4, −0.1) |
| Cerebellum cortex | −417.1 (−884.7, 50.5) | −0.37 (−0.8, 0.0) |
| Cerebellum WM | −237.2 (−419.0, −55.3) | −0.77 (−1.4, −0.2) |
| Cerebral WM | −756.2 (−2323.9, 816.4) | −0.16 (−0.5, 0.2) |
| ICV | −6460.9 (−12978.7, 57.0) | −0.42 (−0.8, 0.0) |
| Hippocampus | 8.7 (−23.7, 41.1) | 0.11 (−0.3, 0.5) |
| Pallidum | −17.9 (−35.5, −0.3) | −0.45 (−0.9, 0) |
| Putamen | 2.3 (−42.4, 47.0) | 0.02 (−0.5, 0.5) |
| Thalamus | 3.8 (−44.8, 52.3) | −0.03 (−0.3, 0.4) |
| TGV | −1231.5 (−2784.0, 320.9) | −0.19 (−0.4, 0.0) |
| Ventricles | 164.2 (−479.4, 807.7) | 0.51 (−1.5, 2.5) |
“Group 4: Recommended sleep and sleep problems/sleepiness” was compared with “group 3: Recommended sleep and no sleep problems/sleepiness.” Negative estimates represent smaller volume in group 4.