Skip to main content

Table 3 Results of overall and stratified analyses for the association of XRCC1 399 G → A and risk of glioma, Yosunkaya et al.[34]excluded

From: Association between XRCC1polymorphism 399 G->A and glioma among Caucasians: a systematic review and meta-analysis

Stratification factor No. of studies I 2(%) Odds ratio 95% Confidence interval P value
Overall 5 7 1.10 0.98-1.23 0.10
Gender
 Male 1 NA 0.94 0.62-1.44 0.78
 Female 1 NA 2.27 1.45-3.57 < 0.001
Glioma Subtype
 Grade III 2 0 1.05 0.89-1.25 0.56
 Grade IV 2 46 1.20 0.97-1.47 0.09
Sample size
 < 500 1 NA 1.61 0.93-2.78 0.09
 ≥ 500 4 0 1.08 0.96-1.21 0.19
Country
 US 3 8 1.11 0.94-1.31 0.22
 Other 2 53 1.09 0.94-1.27 0.26
Genotyping method
 PCR-RFLP 3 27 1.06 0.93-1.21 0.40
 Other 2 0 1.19 0.97-1.46 0.09