The effect of Tai Chi on the quality of life in the elderly patients recovering from coronavirus disease 2019 A protocol for systematic review and meta-analysis

Background: coronavirus disease 2019 (COVID-19) is spreading fast starting late 2019. As their cardiopulmonary and immune functions gradually decline, elderly people are prone to COVID-19. Tai Chi has a positive impact on heart function, blood pressure, lung function, blood circulation, and so on, and it's suitable for the elderly. Quality of life (QoL)can reflect of individuals' physical and mental health, it can also reflects their ability to participate in society. This systematic review and meta-analysis will summarize the current evidence that Tai Chi improve the QoL in the elderly patients recovering from COVID-19. Methods: We will search PubMed, EMBASE, MEDLINE, the Cochrane Library, Chinese National Knowledge Infrastructure, Chinese Biomedical Literature Database, Chinese Science and Technology Periodical Database, Wanfang Database, Clinical Trials and Chinese Clinical Trial Registry. The complete process will include study selection, data extraction, risk of bias assessment and meta-analyses. Endnote X9.3 will be used to manage data screening. The statistical analysis will be completed by Stata/SE 15.1 software. Results: This proposed study will evaluate the effectiveness and safety of Tai Chi for the improvement of QoL in elderly COVID-19 patients during the recovery period. Conclusion: The conclusion of this study will provide evidence to prove the safety and effectiveness of Tai Chi on elderly COVID-19 patients during the recovery period. Ethics and dissemination: This protocol will not evaluate individual patient information or infringe patient rights and therefore does not require ethical approval. Registration: PEROSPERO CRD42020206875