BioMed Research International / 2013 / Article / Tab 1 / Review Article
Interleukin-13 +1923C/T Polymorphism Is Associated with Asthma Risk: A Meta-Analysis Table 1 Characteristics of the case-control studies included in meta-analysis.
First author/reference Year Country Ethnicity Age group Atopic status Case (
) Control (
) Quality score Genotyping method
Hákonarson [11 ] 2001 Iceland Caucasian Mixed Atopic 94 94 10 PCR Liu [20 ] 2004 China Asian Adult NA 100 100 4 PCR-RFLP Donfack 1 [12 ] 2005 USA Caucasian NA Mixed 126 205 9 LAS Donfack 2 [12 ] 2005 USA African American NA Mixed 205 183 9 LAS Battle [21 ] 2007 USA African American Mixed NA 264 176 11 PCR-RFLP Daley [22 ] 2009 Australia Caucasian Mixed NA 644 751 9 Illumina Bead Array System Wu [23 ] 2010 China Asian Children NA 252 227 6 PCR-RFLP Moffatt [13 ] 2010 Mixed Caucasian Mixed NA 10365 16110 12 Illumina Human610 quad array Li [14 ] 2010 USA Caucasian Adult NA 473 1892 12 Illumina HumanCNV370 BeadChip Noguchi [24 ] 2011 Japan Asian Children Mixed 938 2376 12
Illumina HumanHap550v3/610-Quad Genotyping BeadChip Yoon 1 [25 ] 2012 Korea Asian Adult NA 193 8645 9 Affymetrix Genome-Wide Human SNP array 5.0 Yoon 2 [25 ] 2012 Korea Asian Adult NA 44 7450 9 Affymetrix Genome-Wide Human SNP array 5.0
PCR: polymerase chain reaction; RFLP: restriction fragment length polymorphism; LAS: multiplex PCR and an immobilized linear array system; NA: not available.