Data coding
Full copies of the 14 qualified papers were obtained and
their statistical data, including age, gender, duration of the
treatment, regularity of practice, and type of anxiety test
used, were extracted, entered into the Comprehensive MetaAnalysis
Program (CMA)31 and a table, and checked by a
proofreader. Study quality was assessed by using the
CLEAR score check list.26 We were able to contact all but one