Table 5 Qualitative data for eligible studies
From: Normal ranges of left ventricular strain in children: a meta-analysis
Study | Year | Objective defined? | Outcomes described? | Characteristics described? | Confounders described? | Main findings described? | Estimates of variability? | Heterogeneous population? | Sonographer(s) blinded? | Reproducibility performed? |
|---|---|---|---|---|---|---|---|---|---|---|
Bussadori [30] | 2009 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Pettersen [21] | 2009 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Jin Yu [19] | 2010 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Singh [41] | 2010 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Van der Hulst [35] | 2010 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Koh [32] | 2010 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Cheung [44] | 2010 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Marcus [11] | 2011 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Takayasu [29] | 2011 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Di salvo [34] | 2012 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Fernandes [45] | 2012 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | No |
Poterucha [37] | 2012 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Hirth [43] | 2012 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Schubert [27] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Sehgal [17] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Klitsie [28] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Klitsie [12] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Singh [42] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Van der Ende [5] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Dogan [31] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Barbosa [36] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Ryan [46] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
McCandless [40] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Simsek [38] | 2013 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Vitarelli [20] | 2014 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |
Forsey [33] | 2014 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | Yes | Yes |
Labombarda [39] | 2014 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | Yes |
Binnetoglu [16] | 2015 | Yes | Yes | Yes | Yes | Yes | Yes | UTD | UTD | No |