Table 5.
Odds Ratios for the Occurrence of Pharyngeal Squamous Cell Carcinoma According to the Subsite of Oral Squamous Cell Carcinoma
| Hypopharyngeal SCC | ||||
|---|---|---|---|---|
| ESCC (%) | OR | (95% CI) | P value | |
| Anatomical Subsites | ||||
| Tongue N = 96 | 10 (10.4) | 1.24 | 0.38–4.37 | .454 |
| Mandibular gingiva N = 39 | 1 (2.5) | 0.19 | 0.004–1.37 | .071 |
| Floor of the mouth N = 20 | 5 (25) | 4.09 | 0.96–14.89 | .027 |
| Buccal mucosa N = 14 | 2 (14.2) | 1.64 | 0.16–8.59 | .4 |
| Upper jaw N = 2 | 1 (50) | 9.93 | 0.11–779.04 | .184 |
CI = Confidence intervals; ESCC = Esophageal squamous cell carcinoma; SCC = Squamous cell carcinoma.