Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Meta-analysis of tumor origin site and I2 values amongst 21 studies (n = 2162).
| Tumor Origin Site | Proportion % [95% CI] | I2 (%) |
|---|---|---|
| Tonsil | 44.4 [39.2, 49.7] | 79.3 |
| Base of tongue | 41.4 [34.5, 48.5] | 89.0 |
| Tonsil and base of tongue | 2.6 [0.5, 6.3] | 93.4 |
| Other/not otherwise specified | 4.3 [2.3, 6.8] | 81.6 |
