Table 2.
The differences of ALFF in each frequency band between OSA groups and HC groups.
| Condition | Region | Brodmann area | Cluster size (voxels) | Cluster size (mm3) | MNI coordinates | Peak intensity: | ||
|---|---|---|---|---|---|---|---|---|
| X | Y | Z | ||||||
| (A) Slow-5 frequency band (0.01–0.027 Hz) | ||||||||
| OSA < HC | Temporal_Inf_L | BA20_L | 31 | 837 | −60 | −42 | 0 | −4.78389 |
| Temporal_Inf_L | BA20_L | 26 | 702 | −51 | −12 | −36 | −4.70627 | |
| OSA>HC | Frontal_Inf_Tri_L | BA48_L | 28 | 756 | −39 | 30 | 15 | 6.46229 |
| Frontal_Mid_L | BA48_L | 23 | 621 | −27 | 33 | 27 | 5.80003 | |
| Frontal_Sup_R | BA46_R | 23 | 621 | 24 | 45 | 21 | 5.2604 | |
| Temporal_Mid_R | BA39_R | 24 | 648 | 39 | −51 | 21 | 6.30294 | |
| (B) Slow−4 frequency band (0.027–0.073 Hz) | ||||||||
| OSA < HC | Temporal_Inf_L | BA20_L | 57 | 1,539 | −51 | −33 | −27 | −4.87198 |
| Temporal_Inf_L | BA20_L | 31 | 837 | −48 | −6 | −39 | −4.93815 | |
| Temporal_Inf_R | BA20_R | 54 | 1,458 | 60 | −42 | −18 | −4.80968 | |
| Temporal_Inf_R | BA20_R | 40 | 1,080 | 42 | −6 | −45 | −4.74978 | |
| OSA>HC | Precuneus_L | BA29_L | 29 | 783 | −9 | −48 | 15 | 5.06875 |
| Cingulum_Post_R | BA29_R | 20 | 540 | 9 | −39 | 15 | 4.73092 | |
| Cingulum_Mid_R | BA23_R, | 25 | 675 | 12 | −45 | 33 | 5.27274 | |
| Temporal_Mid_R | BA39_R | 39 | 1,053 | 39 | −51 | 21 | 7.13999 | |
| Frontal_Inf_Oper_R | BA44_R | 21 | 567 | 39 | 12 | 36 | 5.2112 | |
| Frontal_Mid_L | BA46_L | 40 | 1,080 | −27 | 36 | 24 | 6.85861 | |
| Frontal_Inf_Tri_L | BA48_L | 20 | 540 | −39 | 30 | 15 | 5.68692 | |
All clusters were reported with a voxel-level threshold of P < 0.001, GRF correction, and cluster-level of P < 0.05, two tailed.