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Table 6 Exploratory analyses based on type of fuel used

From: Household air pollution and cancers other than lung: a meta-analysis

 

Coal

Wood

Cancer Site

Studies

OR* (95% CI)

Studies

OR* (95% CI)

Cervical

1

3.46 (1.08- 11.10)

2

10.29 (3.27- 32.40)

Oral

1

1.47 (0.19- 11.67)

3

2.45 (1.81- 3.30)

Nasopharyngeal

1

1.86 (1.28- 2.72)

5

1.77 (1.07- 2.91)

Pharyngeal

2

3.35 (1.08-10.39)

3

2.56 (1.20- 5.49)

Esophageal

1

1.50 (0.48- 4.71)

2

2.13 (1.05 – 4.30)

Laryngeal

2

4.45 (2.03- 9.74)

3

1.54 (0.81- 2.94)

  1. *Summary OR was calculated using fixed effects model for overall effect of each cancer site.