Clinical heterogeneity and prognostic factors of anti-synthetase syndrome: a multi-centered retrospective cohort study.

Objective: Anti-synthetase syndrome (ASyS) patients have heterogeneous clinical manifestations with different initial presentations, complications, and outcomes. This study aimed to assess the clinical characteristics and complications in patients with ASyS, and to identify factors that were associated with the survival of ASyS patients.

Methods: This was a retrospective multicentre longitudinal study.

Association between body mass index and risk of formation of breast cancer in Chinese women.

Objective: To analyse the association between body mass index (BMI) and breast cancer risk among Chinese women in Hong Kong.

Methods: We conducted a population-based case control study of breast cancer in June 2002. Standardized questionnaires concerning BMI and other anthropometric data were completed by patients at the Queen Mary Hospital (QMH).