Table 1 Detailed evaluation criteria focused on included studies
From: Association between the IL-10 and IL-6 polymorphisms and brucellosis susceptibility: a meta-analysis
Criterion of evaluation | score |
|---|---|
Reliability of controls | |
Live in the area locally | 3 |
Volunteers who conduct blood or organ transplant | 2 |
Patients who is not related with Brucellosis | 1 |
Not reported or cannot get the detailed information | 0 |
Matching standard | |
All including age, sex and ethnicity | 3 |
Ethnicity only | 1.5 |
Not reported or cannot get the detailed information | 0 |
Diagnosis of Brucellosis | |
According to clinical manifestation and high antibodies | 3 |
According to history or other examination | 1.5 |
Not reported or cannot get the detailed information | 0 |
Genotyping methods | |
by “blinded” status | 3 |
Not reported or cannot get the detailed information | 0 |
Hardy-Weinberg equilibrium | |
The compliance is good | 3 |
Not reported or cannot get the detailed information | 0 |
Sample size | |
More than 500 | 3 |
More than 200 and less than or equal to 500 | 2 |
More than 100 and less than or equal to 200 | 1 |
less than 100 | 0 |