Test of heterogeneity for rs145204276 indel polymorphism
For lncRNA GAS5 rs145204276 indel polymorphism, significant heterogeneity was shown after pooling the data in all genetic models. The heterogeneities remained even in subgroup analysis based on the source of control. Moreover, the heterogeneities were removed when subgroup analysis was conducted based on cancer type. The data are listed in Table 2.