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Table 2 ORs and 95%CI of sarcoma (all sites) by sex and levels of exposure

From: Sarcoma risk and dioxin emissions from incinerators and industrial plants: a population-based case-control study (Italy)

  Average exposure (fgr/m3)  
Sex <4
Cases/Controls
OR (95% CI)
4–6
Cases/Controls
OR (95% CI)
≥ 6
Cases/Controls
OR (95% CI)
χ1 2 for trend
Males
(Ca/Co: 87/197)
31/83
1*
39/88
1.1
(0.63 – 1.96)
17/26
1.86
(0.87 – 3.95)
2.05
(p = 0.1517)
Females
(Ca/Co: 85/208)
24/78
1*
44/104
1.47
(0.82 – 2.66)
17/26
2.41
(1.04 – 5.59)
4.30
(p = 0.0382)
  1. * Reference category