Yangjun Liu

Yangjun Liu

Postdoctoral researcher


About me

I used to be a physician and now a postdoctoral researcher focusing on epidemiology and statistics. 

Research description

Psychiatric comorbidity 

I am interested in examining the familial coaggregation of psychiatric comorbidity using Swedish population-based health registers and Swedish Twin Register.

Cancer survivorship

I am interested in improving health related quality of life and survival after thoracic cancer surgery using patient-reported outcome data and register-based data.

Methods used in my research

My research uses several advanced statistical methods such as multilevel data analysis (e.g., mixed effects model, fixed effects regression model, and latent growth curve model), survival analysis, factor analysis, structural equation modeling, etc.


PhD in Medical Science, Department of Molecular Medicine and Surgery, Karolinska Institutet (2017-2022)

Doctoral thesis: Optimism and survivorship after esophageal cancer surgery

MD (Medical Degree with a medical doctor license) in Clinical Medicine, Master's student and Physician in the Department of Neurology, Xiangya School of Medicine, Central South University (2010-2017)

In addition, I have got trained in psychology and have psychological counselor license.