Research Article
Sinonasal Cancer and Occupational Exposure in a Population-Based Registry
Table 4
Occupational exposure to carcinogenic agents among subjects with sinonasal cancer, by smoking statusa; Lombardy region sinonasal cancer registry, 2008–2011 ( with interview).
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PAH: polycyclic aromatic hydrocarbons, SCC: squamous cell carcinoma. a10 subjects with missing smoking history were excluded. bFrom chi-square test (reference: never exposed). Note: a subject may have been exposed to more than one agent in his/her occupational history. |