2.4  |  Inclusion and exclusion criteria
The inclusion criteria of the literature were as follows: (a) Study subjects: female breast cancer patients whose diagnosis following the Breast Cancer Diagnostic and Treatment Guidelines and Norms of the Chinese Anti-cancer Association (2017 edition); age ≥18 years; (b) Type of study: study on the effect of the intervention of IVR technology on breast cancer; (c) Outcome indicators: anxiety, depression, quality of life, pain and fatigue; (d) Study design: a randomized controlled trial (RCT).
The exclusion criteria were as follows: (a) full text unavailable or missing original data; (b) duplicate publications; and iii) high risk of bias in the literature.