“…Sixty-one of 63 included studies reported the primary outcome, patient satisfaction. Forty-eight publications (76.1%) measured the secondary outcome, patient knowledge gain [ 1 , 2 , 4 , 5 , 9 , 13 , 14 , 16 , 18 , 20 , 24 , 25 , 27 , 28 , 33 , 34 , 39 , 42 , 46 , 52 , 54 , 55 , 59 , 62 , 63 , 65 , 66 , 71 , 75 , 76 , 78 , 79 , 82 , 85 – 91 , 94 , 95 ]. Of the 109 outcomes measured across the 63 publications, only 10 (9.2%) were assessed using validated instruments.…”