“…Sixteen studies published from 2003 to 2015 were eventually included for review and meta-analysis. 10,17,[23][24][25][26][27][28][29][30][31][32][33][34][35][36] There were nine full papers, 10,23,25,27,28,30,[33][34][35] together with seven abstracts, 17,24,26,29,31,32,36 with a total of 820 CE examinations involving 20 nurses. Table 1 summarises the included studies.…”