Table 4 Level of OSCC with positive status applying immunohistochemistry (IHC) for the histological oral areas (gingival sites) including for short-term and long-term khat users
TP53 IHC | TP53 expression in gingival histological sections among short-term users (%) | TP53 expression in gingival histological sections among long-term users (%) |
|---|---|---|
Strong | 19/41 (46.34) | 26/42 (61.90) |
Moderate | 22/41 (53.65) | 16/42 (38.09) |
Weak | 0 | 0 |
None | 0 | 0 |