highly significantP =0.0003
In contrast, the group of metastatic primary hLT (pT × N2) showed a highly significant difference (mean CD9P-1 index±s.e.m.: 2.179±0.436; P =0.0003; 95% CI=−1.938 to −0.6739) compared with the group of primary hLT (pT × N0) ( Figure 2B ).