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Table 5 Association between hypopharyngeal and laryngeal cancers and exposure to combinations of oxygenated solvents

From: Occupational exposure to petroleum-based and oxygenated solvents and hypopharyngeal and laryngeal cancer in France: the ICARE study

Exposure to oxygenated solvents Controls n = 2670 Hypopharynx n = 338 Larynx n = 423
  n n ORa [95% CI] n ORa [95% CI]
None 1684 207 1 268 1
Ket 36 9 1.40 [0.57–3.48] 10 1.26 [0.55–2.92]
Alc, Ket 305 45 0.95 [0.63–1.43] 66 1.15 [0.81–1.63]
Alc, Etg 314 29 1.02 [0.63–1.65] 24 0.64 [0.40–1.05]
Alc, Ket, THF 25 10 2.79 [1.12–6.95] 10 2.25 [0.94–5.38]
Alc, Ket, Etg 158 23 0.84 [0.49–1.45] 27 0.86 [0.52–1.41]
  1. Abbreviations: OR odds-ratio, CI confidence intervals, Ket ketones and esters, Alc alcohols, Etg ethylene glycol, THF tetrahydrofuran
  2. aOR adjusted for age at interview, residence area, alcohol consumption, smoking status, frequency and duration of smoking, exposure to asbestos