EEF1A1 and breast ductal adenocarcinoma: First, using an H-score of 50 as a cut-off, we found that high eEF1α1 expression was significantly more common in ductal carcinoma (86 of 100, 86%) than in normal breast tissue (2 of 7, 29%; p = 0.0018, Fisher’s exact test; Fig. 4B, Table 2).