Fig 1.
Flow chart of article screening and selection process.
Table 1.
Included Study Characteristics.
Table 2.
Excluded Studies.
Fig 2.
Association between the HLA-DQB1*020x polymorphism and the risk for GBS.
(A) Six studies describe the association between the HLA-DQB1*020x polymorphism and the risk for GBS in a mixed Asian, Caucasian, and Arabic population. (B) Subgroup analysis examining the relationship between HLA-DQB1*020x and GBS risk in Caucasian (top) and Asian (bottom) populations.
Fig 3.
Association between the HLA-DQB1*030x polymorphism and the risk for GBS.
(A) Eight studies describe the association between the HLA-DQB1*030x polymorphism and the risk for GBS in a mixed Asian, Caucasian, and Arabic population. (B) Subgroup analysis examining the relationship between HLA-DQB1*030x and GBS risk in Caucasian (top) and Asian (bottom) populations.
Fig 4.
Association between the HLA-DQB1*040x polymorphism and the risk for GBS.
(A) Seven studies describe the association between the HLA-DQB1*040x polymorphism and the risk for GBS in a mixed Asian and Caucasian population. (B) Subgroup analysis examining the relationship between HLA-DQB1*040x and GBS risk in Caucasian (top) and Asian (bottom) populations.
Fig 5.
Association between the HLA-DQB1*050x polymorphism and the risk for GBS.
(A) Nine studies describe the association between the HLA-DQB1*050x polymorphism and the risk for GBS in a mixed Asian, Caucasian, and Arabic population. (B) Subgroup analysis examining the relationship between HLA-DQB1*050x and GBS risk in Caucasian (top) and Asian (bottom) populations.
Fig 6.
Association between the HLA-DQB1*060x polymorphism and the risk for GBS.
(A) Nine studies describe the association between the HLA-DQB1*060x polymorphism and the risk for GBS in a mixed Asian, Caucasian, and Arabic population. (B) Subgroup analysis examining the relationship between HLA-DQB1*060x and GBS risk in Caucasian (top) and Asian (bottom) populations.
Fig 7.
Assessment of publication bias for the HLA-DQB1*020x, *030x, *040x, *050x, and *060x polymorphisms.