Table 2.
Included studies of head and neck squamous cell carcinoma of the nasopharynx, nasal cavity, and paranasal sinuses in sub-Saharan Africa since 1990
| COUNTRY | YEAR | AUTHOR | N | SITES | |||
| Nasal cavity | Nasopharynx | Maxillary sinus | Not specified | ||||
| Eastern | |||||||
| Kenya | 1998 | Oburra61 | 34 | - | 2 (6%) | - | 32 (94%) |
| Kenya | 1995 | Onyango42 | 11 | - | - | 11 (100%) | - |
| Southern | |||||||
| Zimbabwe | 2006 | Chidzonga46 | 45 | - | - | 45 (100%) | - |
| Western | |||||||
| Nigeria | 2010 | Afolabi62 | 34 | - | 34 (100%) | - | - |
| Nigeria | 2004 | Amusa52 | 9 | - | 8 (89%) | 1 (11%) | - |
| Nigeria | 1998 | Arotiba63 | 73 | - | - | 73 (100%) | - |
| Nigeria | 2006 | Arotiba54 | 70 | - | - | 70 (100%) | - |
| Nigeria | 2007 | Fansula64 | 69 | - | - | - | 69 (100%) |
| Nigeria | 1999 | da Lilly-Tariah65 | 43 | - | 43 (100%) | - | - |
| Nigeria | 2003 | da Lilly-Tariah66 | 22 | - | - | - | 22 (100%) |
| Total | 410 | 87 (21%) | 200 (49%) | 123 (30%) | |||