Authors and date | Quality assessment item (see key below) | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | % |
Aylward et al.,1985 [22] | 2 | 1 | 1 | 1 | 0 | 2 | 1 | 1 | 2 | 2 | 1 | 0 | 0 | 0 | 50Â % |
Baker et al., 2011 [23] | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 2 | 64Â % |
Boggs et al., 2004 [24] | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 0 | 2 | 2 | 0 | 1 | 75Â % |
Byrnes et al., 2012Â [25] | 2 | 2 | 1 | 1 | 2 | 1 | Na | 2 | 2 | 1 | 2 | 2 | 0 | 2 | 77Â % |
Constantine et al., 1993 [26] | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 1 | 1 | 0 | 2 | 0 | 68Â % |
Cunningham et al., 2000 [28] | 2 | 1 | 1 | 1 | 2 | 1 | Na | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 46Â % |
Cunningham et al., 1995 [27] | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 57Â % |
Damashek et al., 2011 [29] | 2 | 2 | 1 | 1 | 1 | 1 | Na | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 69Â % |
Daniels et al., 2011Â [30] | 2 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 76Â % |
Eisner and Meidert, 2011 [31] | 1 | 0 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 0 | 1 | 2 | 1 | 0 | 54Â % |
Fernandez and Eyberg, 2009 [32] | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 1 | 61Â % |
Firestone and Witt, 1982 [33] | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 0 | 1 | 57Â % |
Gross et al., 2001 [34] | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 2 | 0 | 2 | 2 | 0 | 1 | 71Â % |
Heinrichs et al., 2005 [35] | 2 | 2 | 2 | 1 | 2 | 1 | Na | 1 | 1 | 1 | 0 | 1 | 2 | 1 | 65Â % |
Ireys et al., 2001 [36] | 2 | 2 | 2 | 1 | 1 | 1 | Na | 2 | 2 | 1 | 0 | 1 | 1 | 0 | 62Â % |
Katz et al., 2001 [37] | 2 | 1 | 1 | 2 | 1 | 1 | 2 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 54Â % |
Mihrshahi et al., 2002 [39] | 2 | 0 | 1 | 2 | 2 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 42Â % |
Miller and Prinz, 2003 [40] | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 64Â % |
Moser et al., 2000 [41] | 2 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 64Â % |
Multicentre Otitis Media Study Group, 2001 [38] | 2 | 1 | 2 | 2 | 1 | 2 | Na | 1 | 2 | 0 | 2 | 1 | 2 | 0 | 69Â % |
Ramos-Gomez et al., 2008 [42] | 2 | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 86Â % |
Roggman et al., 2008 [43] | 2 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 2 | 50Â % |
Van den Akker et al., 2003 [44] | 1 | 1 | 1 | 1 | 1 | 2 | Na | 1 | 2 | 0 | 1 | 1 | 1 | 0 | 50Â % |
Vermaire et al., 2011 [49] | 2 | 1 | 1 | 1 | 0 | 2 | Na | 2 | 2 | 2 | 2 | 0 | 1 | 1 | 65Â % |
Wagner et al., 2003 [45] | 2 | 1 | 0 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 71Â % |
Werba et al., 2006 [46] | 2 | 2 | 0 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 2 | 2 | 0 | 1 | 71Â % |
Winslow et al., 2009 [47] | 2 | 2 | 2 | 1 | 2 | 1 | Na | 2 | 2 | 2 | 2 | 2 | 0 | 2 | 85Â % |
Zebracki et al., 2003 [48] | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 89Â % |