AVP and major depressive disorder: SCL-90R Symptom checklist-90-revised, SOM Somatization, O-C Obsessive-compulsive, I-S Interpersonal sensitivity, DEP Depression, ANX Anxiety, HOS Hostility, PHOB Phobic anxiety, PAR Paranoid ideation, PSY Psychosis, T3 Triiodothyronine, T4 Thyroxine, TSH, Thyroid-Stimulating Hormone, ESR Eerythrocyte sedimentation rate, ADH Antidiuretic hormone, ACTH Adrenocorticotropic hormone, n number, SD Standard deviation.