“…We found 35 articles specifying accepted varus or valgus angulation 8 , 9 , 11 , 13 – 16 , 18 – 21 , 23 , 25 – 27 , 29 – 31 , 36 , 38 , 41 , 45 , 47 , 48 , 53 , 55 , 56 , 60 , 65 , 69 , 74 , 79 , 80 , 82 , 102 and 34 articles specifying the accepted sagittal plane angulation 8 , 9 , 11 , 13 – 16 , 18 – 21 , 23 , 25 – 27 , 29 , 30 , 36 , 38 , 41 , 45 , 47 , 48 , 53 , 55 , 60 , 65 , 69 , 74 , 76 , 79 , 80 , 82 , 102 . Figure 2 displays the mean and sd of accepted varus/valgus angulation at initial casting based on patient age.…”