Table 4 ST-Unspecified and Cancer of the Mouth and Upper Respiratory Sites
From: Tobacco harm reduction: an alternative cessation strategy for inveterate smokers
Anatomic Site | RR (95%CI) | Studies | Cases/Controls |
|---|---|---|---|
Oral cavity | 2.8 (1.9–4.1) | 4 | 581/798 |
Pharynx | 2.3 (1.2–4.4) | 3 | 169/472 |
Oral cavity +pharynx | 1.5 (1.1–2.0) | 3 | 655/2718 |
Larynx | 1.8 (0.3–9.3) | 1 | 23/100 |
Oral+pharynx+larynx | ---- | Â | ---- |
All sites | 1.9 (1.5–2.3) | 7 | 1428/3681 |