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Table 3 Quality score assessment

From: Association between lncRNA H19 rs217727 polymorphism and the risk of cancer: an updated meta-analysis

StudiesSelectionComparabilityExposureTotal
Case definition adequateRepresentativeness of the casesSelection of controlsDefinition of controlsComparability of cases and controls on the basis of the design or analysisAscertainment of exposureUniform method of ascertainmentNonresponserate
Jin [10]*********9
Li [9]*********9
Xia [11]*********9
Hua [17]**0*****07
Yang [8]**0******8
Verhaegh [16]*********9
Hu [22]**0******8
Guo [23]********08
Lin [12]**0*****7
He2 [1]**0******8
Hassanzarei [13]****0***7
Li [18]**0******8
Yuan [24]********08
Cui [14]*******07
Li [19]**0******8
Abdollahzadeh [15]**0******8
Yin [20]**0******8
  1. *indicates a score of 1, **indicates a score of 2. The total score ranged from 0 to 9