2.6. Data extraction and management
This protocol is extracted from research article:
Efficacy and safety of abdominal acupuncture for knee osteoarthritis
Medicine (Baltimore), Apr 16, 2021; DOI: 10.1097/MD.0000000000023628

Data will be extracted independently from a pre-established data extraction table. The following basic information will be extracted: author, year, country, sample size, mean age, randomized method, intervention, control measures, follow-up time, outcome measures, and adverse effects. Three reviewers will cross-check the results. They are (Min Liu, Meinian Liu, and Haitao Zhang). If there is any disagreement, it will be negotiated or arbitrated by the fourth investigator (Yirong Zeng). Besides, the intention-to-treat analysis of this study will be used to address missing data. Data. NoteExpress 3.2.0 and Excel 2007 software will be applied. To extract the eligible data. When vital data in the study are incomplete or missing, we will have the option to contact the first author or the corresponding author to obtain the data by phone or email.

Note: The content above has been extracted from a research article, so it may not display correctly.



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