Study | Study participation | Study attrition | Measurement of prognostic factors | Measurement of outcomes | Statistical analysis and presentation | Quality score (points) | Quality: + = high +/- = moderate - = low |
---|---|---|---|---|---|---|---|
Koomen et al., 2004 [5] | 15 | 12.5 | 10 | 12.5 | 12.5 | 62.5 | + |
Lovera et al., 2005 [33] | 13.5 | 7.5 | 12.5 | 10 | 12.5 | 56 | +/- |
Roine et al., 2008 [35] | 15 | 10 | 7.5 | 7.5 | 15 | 55 | +/- |
Oostenbrink et al., 2002 [21] | 15 | 7.5 | 10 | 10 | 12.5 | 55 | +/- |
Pelkonen et al., 2009 [6] | 12 | 10 | 12.5 | 7.5 | 12.5 | 54.5 | +/- |
Forsyth et al., 2004 [18] | 10.5 | 10 | 7.5 | 15 | 10 | 53 | +/- |
Biesheuvel et al., 2006 [24] | 12 | 7.5 | 10 | 10 | 12.5 | 52 | +/- |
Pagliano et al., 2007 [19] | 12 | 5 | 12.5 | 10 | 12.5 | 52 | +/- |
Koomen et al., 2003 [7] | 15 | 7.5 | 10 | 7.5 | 10 | 50 | +/- |
Woolley et al., 1999 [9] | 12 | 5 | 7.5 | 12.5 | 12.5 | 49.5 | +/- |
Klinger et al., 2000 [31] | 13.5 | 7.5 | 7.5 | 10 | 10 | 48.5 | +/- |
Singhi et al., 2007 [15] | 13.5 | 5 | 5 | 12.5 | 12.5 | 48.5 | +/- |
Kornelisse et al., 1995 [8] | 10.5 | 5 | 10 | 10 | 12.5 | 48 | +/- |
Fakhir et al., 1992 [27] | 12 | 7.5 | 7.5 | 12.5 | 7.5 | 47 | +/- |
Akpede et al., 1999 [16] | 10.5 | 7.5 | 10 | 10 | 7.5 | 45.5 | +/- |
Kaaresen et al., 1995 [29] | 13.5 | 7.5 | 7.5 | 5 | 10 | 43.5 | - |
Kutz et al., 2006 [14] | 13.5 | 5 | 7.5 | 7.5 | 10 | 43.5 | - |
Pikis et al., 1996 [20] | 13.5 | 7.5 | 7.5 | 7.5 | 7.5 | 43.5 | - |
Pomeroy et al., 1990 [34] | 15 | 5 | 5 | 10 | 7.5 | 42.5 | - |
Wasier et al., 2005 [37] | 10.5 | 5 | 7.5 | 7.5 | 10 | 40.5 | - |
Grimwood et al., 1996 [12] | 7.5 | 5 | 7.5 | 12.5 | 7.5 | 40 | - |
Edwards et al., 1985 [17] | 10.5 | 7.5 | 7.5 | 10 | 2.5 | 38 | - |
Letson et al., 1992 [32] | 10.5 | 5 | 5 | 10 | 7.5 | 38 | - |
Chao et al., 2008 [26] | 12 | 2.5 | 5 | 7.5 | 5 | 32 | - |
Johnson et al. 2007 [28] | 12 | 2.5 | 5 | 7.5 | 5 | 32 | - |
Bortolussi et al., 1978 [25] | 10.5 | 5 | 2.5 | 7.5 | 5 | 30.5 | - |
Antilla et al., 1994 [22] | 7.5 | 2.5 | 7.5 | 7.5 | 2.5 | 27.5 | - |
Kirimi et al., 2003 [30] | 7.5 | 5 | 7.5 | 2.5 | 5 | 27.5 | - |
Valmari et al., 1987 [36] | 4.5 | 2.5 | 5 | 5 | 7.5 | 24.5 | - |
Herson et al., 1977 [13] | 4.5 | 2.5 | 5 | 2.5 | 5 | 19.5 | - |
Bhat et al., 1987 [23] | 4.5 | 2.5 | 2.5 | 2.5 | 5 | 17 | - |