Table 4.
Characteristics | Total | Malignant transformation | P‐value | |
---|---|---|---|---|
Yes n (%) | No n (%) | |||
150 | 23 (15.3) | 127 (84.7) | ||
SMAD4‐low and lymphocyte infiltration‐high | 54 | 16 (29.6) | 38 (70.3) | 0.00027a |
Others | 96 | 7 (7.3) | 89 (92.7) |
The chi‐square test was used to examine the correlation between malignant transformation and the combination of SMAD4 expression and lymphocyte infiltration in 150 OL patients.
P < 0.01.