精神疾病与发病年龄的关系： 50例病例的试点横断面研究

Background: Psychiatric disorders differ in their typical age of onset, but evidence describing onset patterns in small clinical samples from Kerala, India, is limited. This pilot study examined the association between diagnostic group and age of symptom onset and described the interval between symptom onset and first diagnosis. Methods: A cross-sectional observational study was conducted using 50 consecutively sampled patient records from psychiatric outpatient and inpatient services at VPSV Ayurveda College, Kottakkal, Kerala. Diagnoses were based on DSM-5 criteria. Data included age at symp