Table 1.
Summary of 14 studies included in the meta-analysis.
Fig 1.
Search strategy for meta-analysis on neuropsychological performance in Gulf War veterans.
From: Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009). Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement. PLoS Med 6(7): e1000097. doi:10.1371/journal.pmed1000097. For more information, visit www.prisma-statement.org.
Table 2.
Summary of neuropsychological tests used in studies of Gulf War veterans.
Table 3.
Summary of neuropsychological findings from 14 selected studies.
Table 4.
Meta-analysis of Group A studies: Neurocognitive performance for deployed Gulf War veterans compared to non-deployed Gulf-era veterans.
Table 5.
Meta-analysis of Group B studies: Neurocognitive performance for symptomatic versus non-symptomatic Gulf War veterans.
Fig 2.
Group A, forest plot for block design subtest: Deployed Gulf War veterans compared to non-deployed Gulf-era veterans.
Fig 3.
Fig 3a Group B, forest plot for block design subtest: Symptomatic versus non-symptomatic Gulf War veterans and Fig 3b Group B forest plot for Continuous Performance Test (CPT) subtest: Symptomatic versus non-symptomatic Gulf War veterans.