Table 2 Risk of bias assessment
# | Study ID | Study | Prognostic | Statistical analysis and reporting | |||
|---|---|---|---|---|---|---|---|
participant | Attrition | Factor measurement | Outcome measurement | Study confounding | |||
1 | Abah 2018 | Low | High | Low | Low | Low | Low |
2 | Ahmed 2019 | Low | Low | Low | Low | Low | Low |
3 | Ahn 2019 | Low | High | Low | Low | Low | Low |
4 | Ahoua 2009 | Low | Low | Low | Low | Low | Low |
5 | Assefa 2014 | Low | High | Low | Low | Low | Low |
6 | Ayalew 2016 | Low | Low | Low | Low | Low | Low |
7 | Ayele 2018 | Low | Low | Low | Low | Low | Low |
8 | Babo 2017 | Low | Low | Low | Low | Low | Low |
9 | Bayou 2015 | Low | High | Low | Low | Low | Low |
10 | Bayu 2017 | Low | Low | Low | Low | Low | Low |
11 | Billioux 2015 | Low | Low | High | High | Low | Low |
12 | Biscione 2014 | Low | Low | High | High | High | Low |
13 | Bisson 2008 | Low | Low | High | Low | High | Low |
14 | Boender 2016a | Low | Low | Low | Low | Low | Low |
15 | Boender 2016b | Low | Low | Low | Low | Low | Low |
16 | Boettiger 2016c | Low | Low | Low | Low | Low | Low |
17 | Boettiger 2015 | Low | Low | Low | Low | Low | Low |
18 | Boettiger 2016d | Low | Low | Low | Low | Low | Low |
19 | Boettiger 2014 | Low | Low | Low | Low | Low | Low |
20 | Boulle 2015 | Low | Low | Low | Low | Low | Low |
21 | Braun 2017 | Low | Low | Low | Low | High | High |
22 | Brooks 2016 | Low | Low | Low | Low | High | High |
23 | Bulage 2017 | Low | High | Low | Low | Low | Low |
24 | Byabene 2017 | Low | Low | Low | Low | Low | Low |
25 | Cao 2018 | Low | Low | Low | Low | Low | Low |
26 | Carriquiry 201 | Low | Low | Low | Low | Low | Low |
27 | Caseiro 2018 | Low | Low | Low | High | High | Low |
28 | Castelnuovo 2016 | Low | Low | Low | Low | Low | Low |
29 | Cesar 2015 | Low | Low | Low | Low | Low | Low |
30 | Cesar 2014 | Low | Low | Low | Low | Low | Low |
31 | Chaiwarith 2011 | Low | Low | Low | Low | Low | Low |
32 | Chaiwarith 2007 | Low | Low | High | Low | Unclear | Low |
33 | Chakravarty 2015 | Low | Low | Low | Low | Unclear | Low |
34 | Charles 2013 | Low | Unclear | Low | Low | Unclear | Low |
35 | Chawana 2014 | Low | Low | Low | Low | Unclear | Low |
36 | Chen 2014 | Low | High | Low | Low | High | Low |
37 | Chhim 2018 | Low | High | Low | Low | Low | Low |
38 | Chkhartishvili 2014 | Low | Low | Low | Low | Unclear | Low |
39 | Collier 2017 | Low | Low | Low | Low | Low | Low |
40 | Costiniuk 2014 | High | Unclear | Low | Low | High | High |
41 | Court 2014 | Low | Low | Low | Low | Low | Low |
42 | Datay 2010 | Low | Low | Low | Low | Unclear | Low |
43 | DeBoni 2018 | Low | Low | Low | Low | Low | Low |
44 | deLaHoz 2014 | Low | Low | Unclear | Unclear | Unclear | Low |
45 | Dolling 2017 | Low | Low | Low | Low | Low | Low |
46 | Dray-Spira 2007 | Low | Low | Low | Low | Unclear | Low |
47 | Ekstrand 2011 | Low | Low | High | Unclear | Unclear | High |
48 | Rusine 2013 | Low | Low | Low | Low | Low | Low |
49 | Sadashiv 2017 | Low | Low | Low | Low | Low | Low |
50 | Safren 2014 | Low | Low | Low | Low | Low | Low |
51 | Saracino 2014 | Low | Low | Low | Low | Low | Low |
52 | Singini 2016 | Low | Low | Low | Low | Low | Low |
53 | Sithole 2018 | Low | Low | Low | Low | Low | Low |
54 | Sovershaeva 2019 | Low | Low | Low | Low | Low | Low |
55 | Syed 2016 | Low | Low | Low | Low | Low | Low |
56 | Telele 2018 | Low | Low | Low | Low | Low | Low |
57 | Teshome 2014 | Low | Low | Low | Low | Low | Low |
58 | Thiha 2016 | High | Low | Low | Low | Low | Low |
59 | Tran 2014 | Low | High | Low | Low | Low | Low |
60 | Tsegaye 2016 | Low | High | Low | Low | Low | Low |
61 | vandenBerg 2005 | Low | Low | Low | Low | Low | Low |
62 | Vanobberghen 2015 | Low | Low | Low | Low | Low | Low |
63 | Wang 2011 | High | High | Low | Low | Low | Low |
64 | Yimer 2015 | Low | Low | Low | Low | Low | Low |
65 | Yirdaw 2015 | Low | Low | Low | Low | Low | Low |
66 | Zhao 2017 | Low | High | Low | Low | Low | Low |
67 | Zoufaly 2015 | Low | Low | Low | Low | Low | Low |
68 | Elema 2009 | Low | Low | Unclear | low | Unclear | Low |
69 | Enderis 2009 | Low | Low | Low | Low | Low | Low |
70 | Eshleman 2017 | Low | Low | Low | Low | Low | Low |
71 | Evans 2018 | Low | High | Low | Low | Low | Low |
72 | Evans 2013 | Low | High | Low | Low | Low | Low |
73 | Fatti 2019 | Low | Low | Low | Low | Low | Low |
74 | Fatti 2014 | Low | Low | Low | Low | Low | Low |
75 | Ferradini 2007 | Low | Low | Low | Low | Low | Low |
76 | Ferreyra 2012 | Low | Low | Low | Low | Low | Low |
77 | Fibriani 2013 | Low | Low | Low | Unclear | Unclear | Low |
78 | Flynn 2017 | Low | Low | Low | Low | Low | Low |
79 | Fogel 2017 | unclear | Unclear | Low | Low | Low | Unclear |
80 | Ford 2010 | Low | Low | Low | Low | Low | Low |
81 | Fox 2012 | Low | Low | Low | Low | Low | Low |
82 | Fox 2010 | Low | Low | Low | Low | Low | Low |
83 | Goldman 2008 | Low | Low | Low | Low | Unclear | Low |
84 | Gross 2017 | Low | Low | Low | Low | Low | Low |
85 | Gunda 2019 | Low | Low | Low | Low | Low | Low |
86 | Haggblom 2016 | Low | Low | Low | Low | Low | Low |
87 | Haile 2016 | Low | High | Low | Low | High | Low |
88 | Hailu 2018 | Low | Low | Low | Low | Low | Low |
89 | Hamers 2012 | Low | Low | Low | Low | Low | Low |
90 | Hare 2014 | Low | Low | Low | Low | Low | Low |
91 | Hassan 2014 | Low | Low | Low | Low | Low | Low |
92 | Hawkins 2015 | Low | High | Low | Low | Low | Low |
93 | Hawkins 2016 | Low | Low | Low | Low | Low | Low |
94 | Hermans 2018 | Low | High | Unclear | Low | Unclear | Low |
95 | Huang 2015 | Low | High | Low | Low | Low | Low |
96 | Hunt 2017 | Low | Low | Low | High | Unclear | Low |
97 | Huong 2011 | Low | Low | Low | low | Unclear | Low |
98 | Inzaule 2018 | Low | Low | Unclear | low | Low | Low |
99 | Izudi 2016 | Low | Low | Unclear | low | Low | Low |
100 | Jiamsakul 2016 | Low | High | Low | low | Low | Low |
101 | John 2016 | Low | Low | Low | low | Low | Low |
102 | Joram 2017 | Low | High | Low | High | Low | Low |
103 | JosephDavey 2018 | Low | Low | Low | low | Low | Low |
104 | Kamya 2007 | Low | Low | Unclear | low | Low | Low |
105 | Kan 2017 | Low | Low | Low | High | Low | Low |
106 | Karade 2016 | Low | Low | Low | High | Low | Low |
107 | Kazooba 2018 | Low | High | Low | Low | Low | Low |
108 | Khienprasit 2011 | Low | Low | Low | High | Low | High |
109 | Kyaw 2017 | Low | High | Low | High | Low | Low |
110 | Lay 2017 | Low | Low | Low | High | Low | High |
111 | Leng 2014 | Low | Low | High | High | Low | Low |
112 | Lenjisa 2015 | Low | High | Low | Low | Low | High |
113 | Levison 2011 | Low | Low | Low | Low | High | High |
114 | Liegeois 2013 | Low | Low | Low | High | Low | High |
115 | Masikini 2019 | High | Low | Low | High | Low | Low |
116 | Meloni 2016 | Low | Low | Low | High | High | Low |
117 | Mpawa 2017 | High | High | Low | High | Low | High |
118 | Mujugira 2016 | Low | Low | Low | low | Low | Low |
119 | Mungwira 2018 | Low | High | Low | High | Low | Low |
120 | Musa 2015 | Low | Low | Low | Low | Low | Low |
121 | Nachega 2008 | High | Low | Low | Low | High | Low |
122 | Ndahimana 2016 | High | Low | Low | Low | Low | High |
123 | Negi 2018 | Low | High | Low | Low | Low | HIgh |
124 | Nsanzimana 2019 | High | High | Low | Low | Low | High |
125 | Ntamatungiro 2017 | Low | High | Low | Low | Low | High |
126 | Ongubo 2017 | High | High | Low | Low | Low | High |
127 | Onoya 2016 | Low | High | Low | Low | Low | Low |
128 | Palladino 2013 | High | Low | Low | Low | Low | Low |
129 | Patrikar 2017 | Low | Low | Low | High | Low | High |
130 | Penot 2014 | High | Low | Low | High | Low | High |
131 | Raimondo 2017 | Low | Low | Low | low | Low | Low |
132 | Rajasekaran 2007 | Low | Low | Low | High | High | Low |
133 | Ramadhani 2007 | High | Low | Low | low | Low | High |
134 | Rangarajan 2016 | Low | High | Low | low | Low | Low |
135 | Rohr 2016 | Low | High | Low | low | Unclear | Low |
136 | Ruperez 2014 | High | Low | Low | low | Low | High |
137 | Ruperez 2015 | High | Low | Low | low | Low | High |