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Table 1 Characteristics of studies included in the metastasis meta-analysis

From: Prognostic significance of CD44V6 expression in osteosarcoma: a meta-analysis

Study Year Age (median) Assay kit No. of patients Method CD44V6 cut-off CD44V6 positive CD44V6 negative
Metastasis Total Metastasis Total
Deng et al. 2013 18.3 ZSGB-BIO 90 IHC >6 score 38 59 12 31
Guo et al. 2007 18.6 ZSGB-BIO 49 IHC >5 % 16 27 5 22
Hu et al. 2009 19 Santa Cruz 87 IHC >3 score 25 45 12 42
Kim et al. 2002 17 Zymed 50 IHC >50 % 4 26 6 24
Kuryu et al. 1999 19 R&D 39 IHC >10 % 13 18 10 21
Li et al. 2008 23.3 Maixin 35 IHC >0 % 14 19 3 16
Zhu et al. 2014 25 ZSGB-BIO 66 IHC >1 score 39 56 5 10