Occupational exposure to total and hexavalent chromium in welders: an integrated environmental and biological monitoring study.

Front Public Health · 2026 · PMC13226514 · PMID 42239015

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did not reach statistical significanceno p-value reported

The observed correlations between airborne Cr and U-Cr were biologically plausible but weak to moderate and did not reach statistical significance; they should therefore be considered suggestive rather than conclusive.

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approaching significanceno p-value reported

This interpretation is partly supported by the weak-to-moderate correlations observed between airborne CrTOT (ISO and NIOSH) and post-shift U-Cr (rs = 0.41 and 0.38), with p -values approaching significance, suggesting a biologically plausible link between inhaled Cr and urinary excretion.

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