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Table 3 Risk of bias within and across RCTs

From: Falls prevention interventions for community-dwelling older people living in mainland China: a narrative systematic review

ID Authors Selection bias Performance bias Detection bias Attrition bias Reporting bias Within study
1 Li W, et al. [18] Unclear High Unclear High High High
2 Duan F, et al. [24] High Unclear Unclear Low Low Unclear
3 Deng YN, et al. [25] Unclear High Unclear Low Low High
4 Zhang C, et al. [30] Unclear Unclear Unclear Low Low Unclear
5 Wang YH, et al. [31] Unclear High High Unclear High High
6 Feng MM, et al. [32] Low High Low Low High High
7 Mao XR, et al. [33] Low Unclear Unclear Low High High
8 Zhang CG, et al. [35] Unclear High Unclear Low Low High
9 Xie Y, et al. [36] Unclear Unclear Unclear Low Low Unclear
10 Liu YC, et al. [37] High High Unclear High Low High
11 Yang SL, et al. [40] Unclear Unclear Unclear Low Low High
12 Tang LJ, et al. [41] High High Unclear Low High High
13 Zheng WJ, et al. [42] Unclear Unclear Unclear Low Low Unclear
14 Xie XF, et al. [43] High Unclear Unclear Low Low High
15 Ren HJ, et al. [44] Unclear Unclear Unclear Unclear Low Unclear
16 Liu XY, et al. [45] Unclear High Unclear Low Low High
17 Zhan JH, et al. [46] Unclear High Unclear Low Low High
18 Guan SH, et al. [47] Unclear High Unclear Low Low High
19 Li YL, et al. [48] High High Unclear Low Low High
20 Liu LD, et al. [49] Unclear High Unclear Low Low High
21 Zhao D, et al. [52] Low Unclear Unclear Low High High
22 Zhou LL, et al. [53] Unclear Unclear Unclear Unclear High High
23 You MY, et al. [54] High Unclear Unclear Low Low High
24 Ou YB, et al. [55] Unclear High Low Low Low High
25 Tao WY, et al. [56] Unclear Unclear Unclear Low Low Unclear
26 Deng XW, et al. [57] High Unclear Unclear Unclear High High
27 Xiao Y, et al. [58] Unclear High Unclear Low Low High
28 Liu X, et al. [59] Unclear Unclear Unclear Low Low High
29 Ji YQ, et al. [60] Unclear High Unclear Low Low High
30 Zhang RL, et al. [61] High High Unclear High Low High
31 Li W, et al. [62] High High Unclear Unclear Low High
32 Chen CF, et al. [63] Unclear Unclear Unclear Low Low Unclear
33 Zhang J, et al. [64] Low Unclear Unclear Low Low Low
34 Mou YD, et al. [65] High Unclear Unclear Low Low High
35 Ma HX, et al. [66] High Unclear Unclear Low Low High
36 Li DY, et al. [67] High Unclear Unclear Unclear High High
37 Lu HL, et al. [69] Unclear Unclear High Unclear High High
38 Liang YY, et al. [70] Unclear High Unclear Low Low High
39 Li J, et al. [71] Unclear Unclear Unclear Low Low Unclear
40 Li H, et al. [72] Unclear High Unclear Low Low High
41 Li J, et al. [73] Unclear High Unclear Low Low High
42 Zeng YY, et al. [77] Unclear High Unclear Low Low High
43 Yuan Y, et al. [78] Unclear Unclear Unclear Low Low Unclear
44 Wang JY, et al. [79] Unclear High Unclear Low Low High
45 Qiu X, et al. [80] Unclear Unclear Unclear Low Low High
46 Liao SH, et al. [81] Low Low Unclear Low Low Unclear
47 Wu YQ, et al. [82] Unclear High Unclear Low Low High
48 Yun FX, et al. [83] Unclear High Unclear Low Low High
49 Tao YL, et al. [85] Unclear High Unclear Low Low High
50 Meng FY, et al. [86] Unclear High Unclear Unclear Low High
51 Wang DZ, et al. [87] Unclear High Unclear Unclear Low High
52 Tian YQ, et al. [88] Unclear High Unclear Low Low High
53 Yang XM, et al. [89] High High Unclear Low Low High
54 LanLi R, et al. [90] High High Unclear Low Low High
55 Ba HB, et al. [91] Unclear High Unclear Low Low High
56 Wu H, et al. [92] Unclear High Unclear Low Low High
57 Nu QL, et al. [93] Unclear High Unclear Low Low High
58 Yang Z, et al. [94] Unclear Unclear Unclear Low Low Unclear
59 Hu ZJ, et al. [95] High Unclear Unclear Low Low High
60 Qiu YY, et al. [97] Unclear High Unclear Low Low High
61 Wu ML, et al. [98] Unclear High Unclear Low Low High
62 Yang SL, et al. [99] Unclear High Unclear Low Low Unclear
63 Cai YB, et al. [100] Unclear High Unclear Unclear Low High
64 Yang JY, et al. [101] Unclear High Unclear Unclear Low High
65 Fan XY, et al. [103] Unclear Unclear Unclear Low Low Unclear
66 Gao R, et al. [104] High High Unclear Low Low High
67 Tang F, et al. [105] High High Unclear Unclear Low High
68 Hong D, et al. [106] Unclear High Unclear Low Low High
69 Zhao Y, et al. [108] Unclear High Unclear Unclear Low High
70 Wang K, et al. [109] Low Unclear Unclear Low Low Low
71 Xia QH, et al. [110] Unclear Unclear Unclear Low Low Unclear
72 Zhuang J, et al. [111] Low Unclear Unclear Unclear Low Unclear
73 Liu XH, et al. [113] High Unclear Unclear Low High High
74 Lv B, et al. [114] Unclear Unclear Unclear Low Low Unclear
75 Gao ML, et al. [115] Unclear Unclear Low Low Unclear Unclear
76 Deng XQ, et al. [116] Unclear Unclear High Unclear High High
77 Wu X, et al. [117] Unclear Unclear Unclear Low Low Unclear
Overall across studies Unclear Unclear Unclear Low Low High