“…Fifty eligible studies 2 , 4 , 5 , 10 , 14 , 25 , 26 , 28 – 30 , 32 , 35 , 38 – 40 , 42 , 44 – 46 , 49 – 58 , 60 – 63 , 66 – 72 , 74 , 76 – 79 , 81 – 84 had low risk of bias, while 22 studies 1 , 6 , 11 – 13 , 15 , 24 , 27 , 31 , 33 , 36 , 37 , 41 , 43 , 47 , 48 , 59 , 64 , 65 , 73 , 75 , 80 had moderate risk of bias (Tables 3 and 4 ). All the questions in JBI tool for cross-sectional studies were applicable, while three questions were not applicable in the JBI tool for diagnostic test accuracy studies.…”