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The odds of COPD in the included studies from vapors, gases, dusts, and fumes (VGDF) was pooled utilizing meta-analysis (fixed effects model), whereas the populace attributable fraction per cent (PAFpercent) had been pooled with meta-proportion utilizing the random results design in Stata 14.2. Results Five researches, three from Russia, one from Kazakhstan, plus one more from Azerbaijan and Kazakhstan (total N = 18,908) with reasonable to high-quality and posted from 2014 to 2019 (nothing