Characteristics of the studies examined in the meta-analysis.

AD: autoimmune disease, qBHs: Quantitative score of the Bradford Hills Criteria for causation. AS: ankylosing spondylitis. RA: rheumatoid arthritis. SSc: systemic sclerosis. SLE: systemic lupus erythematous, OS: Organic solvent. GN: glomerulonephritis,NPR: National population Register; N: number of subjects in each group. OR 95% CI: Odds ratio with 95% confident interval. MS: multiple sclerosis. NA: not available data. PBC: primary biliary cirrhosis. AOR: Adjusted odds ratio. PSV: primary systemic vasculitis, WG: Wegener's granoulomatosis. RD: Raynaud's disease. TCE: trichloroethylene.

AD：自身免疫性疾病（autoimmune disease）；qBHs：布莱德福德希尔因果判定标准量化评分（Quantitative score of the Bradford Hills Criteria for causation）；AS：强直性脊柱炎（ankylosing spondylitis）；RA：类风湿关节炎（rheumatoid arthritis）；SSc：系统性硬化症（systemic sclerosis）；SLE：系统性红斑狼疮（systemic lupus erythematous）；OS：有机溶剂（Organic solvent）；GN：肾小球肾炎（glomerulonephritis）；NPR：全国人口登记处（National population Register）；N：各组受试者数量；OR 95% CI：比值比（95%置信区间）（Odds ratio with 95% confident interval）；MS：多发性硬化症（multiple sclerosis）；NA：无可用数据（not available data）；PBC：原发性胆汁性肝硬化（primary biliary cirrhosis）；AOR：校正后比值比（Adjusted odds ratio）；PSV：原发性系统性血管炎（primary systemic vasculitis）；WG：韦格纳肉芽肿病（Wegener's granoulomatosis）；RD：雷诺病（Raynaud's disease）；TCE：三氯乙烯（trichloroethylene）