Figure 2.

Correlation between serum levels of matrix metalloproteinases (MMPs) and total Hamilton Rating Scale for Depression (HAMD) score in patients with mood disorders (MD) before and after a course of ECT. (A) Significant negative correlation between serum levels of MMP-2 and total HAMD score. (B) Significant positive correlation between serum levels of MMP-9 and total HAMD score. (C) Significant negative correlation between serum levels of MMP-2 and MMP-9. Pre-ECT values (●) and post-ECT values (○); n=21, *P < .05