“… Notes : Numbers refers to the study that did, or did not, found an association or effect (<.05) of the specific factor on neurocognitive recovery: 1 49 , 2 39 , 3 15 , 4 43 5 45 , 6 37 , 7 47 , 8 46 , 9 34 , 10 38 , 11 32 , 12 52 , 13 40 , 14 53 , 15 17 , 16 94 , 17 44 , 18 96 , (no factors), 19 48 , 20 28 , 21 31 , 22 35 , 23 51 , 24 95 , (no factors), 25 12 , 26 33 , 27 97 , 28 29 , 29 42 , 30 36 , 31 41 . Indication of level of evidence according to Oxford Classification for Evidence Based Medicine (OCEBM), varying from 1 (very strong) to 5 (very weak): a Level 2, b Level 3, c Level 4.…”