“…A total of 27,590 cases were included, and the sample size of each study ranged from 14 to 6231 participants. As for risk of bias, 11, 24 , 27 , 29 , 31 , 34 , 37 , 38 , 40 , 47 , 50 , 56 14, 23 , 25 , 28 , 32 , 33 , 35 , 41 , 42 , 43 , 44 , 49 , 52 , 54 , 55 and 15 19 , 20 , 21 , 22 , 26 , 30 , 36 , 39 , 45 , 46 , 48 , 51 , 53 studies had high, unclear, and low risks, respectively (Table S6 ). Overall, the risk of bias for the included studies was relatively small, indicating moderate methodological quality.…”