Fig. 5

Group differences in the ALPS index and PVS volume. A ALPS index. B PVS volume. aMCI, amnestic mild cognitive impairment; HCs, healthy controls; ALPS, along the perivascular space; PVS, perivascular space; *, P < 0.05; **, P < 0.01; ***, P < 0.001; ns, P > 0.05