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. 2018 Dec;6(23):458. doi: 10.21037/atm.2018.11.32

Table 1. Main characteristics of individual studies included in the meta-analysis.

Author Year Country No. MOOC Traditional OR LCI UCI
Event Total Event Total
Frank (11) 2016 British 330 134 167 132 163 0.95 0.55 1.65
Magana-Valladares (12) 2018 Mexico 16,111 10,191 11,569 4,542 4,542 0.00 0.00 0.01
Schneider (13) 2016 America 293 71 148 61 145 1.27 0.80 2.01
Bowen (14) 2012 America 605 249 313 223 292 1.20 0.82 1.77