a significant trendp = 0.001
Additionally, tumors bearing MGMT methylation had a significant trend toward lymph node metastasis ( p = 0.001), lymph invasion ( p = 0.005), venous invasion ( p = 0.004), perineural invasion ( p ≤ 0.001), distant metastasis ( p ≤ 0.001) and relapse ( p = 0.008).