Association between Interleukin-10 Gene Polymorphisms and Behcet’s Disease Susceptibility: Evidence from a Meta-Analysis

Table 1

Scale for quality evaluation.

Criteria	Score
Representativeness of cases
Consecutive/randomly selected cases with clearly defined sampling frame with time, race, quantity, and defined criteria	2
Not consecutive/randomly selected case or without clearly defined sampling frame with time, race, quantity, and defined criteria	1
Not described	0
Source of controls
Population-based	2
Hospital based or healthy based	1
Not described	0
Hardy-Weinberg equilibrium in controls
Hardy-Weinberg equilibrium	2
Hardy-Weinberg disequilibrium	1
Not available	0
Genotyping examination
Genotyping done under “blinded” condition and repeated again	2
Genotyping done under “blinded” condition or repeated again	1
Unblinded done or not mentioned and unrepeated	0
Subjects
	1
	0
Association assessment
Assess association between genotypes and BD risk with appropriate statistics and adjustment for confounders	2
Assess association between genotypes and BD risk with appropriate statistics and without adjustment for confounders	1
Inappropriate statistics used	0