highly significantp < 0.0001
The according risk of developing oral cancer was 0.65% and 0.18%, whereby the risk difference of 0.47% was highly significant ( p < 0.0001; Log-Rank test).
The according risk of developing oral cancer was 0.65% and 0.18%, whereby the risk difference of 0.47% was highly significant ( p < 0.0001; Log-Rank test).