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. 2020 May 12;45(10):1689–1697. doi: 10.1038/s41386-020-0704-1

Fig. 2. Stage-specific GMV changes in GAD patients under different grouping strategies.

Fig. 2

All group differences were corrected using the GRF method (voxel level p < 0.001, cluster level p < 0.05). The stages in the main grouping strategy were categorized using the illness duration of GAD (stage 1, 0–3 years; stage 2: 4–20 years) (a). The stages in the validation grouping strategy were separated using the illness duration of GAD (stage 1, 0–2 years; stage 2, 3–5 years; stage 3, 6–20 years) (b). GMV gray matter volume, GAD generalized anxiety disorder.