There were statistically significant differences between the two groups in terms of age, length of hospitalization, number of discharge diagnoses, number of Western medicines used, whether the patient had diabetes, history of falls and fractures, heart failure, atrial fibrillation, sleep disorders, depression, epilepsy, hemoglobin and albumin levels (P < 0.05), as shown in Table 1. This evidence concerns the gene ALB and major depressive disorder.