passages.id: split_4_test_80_passage
passages.type: progene_text
passages.text: Group B showed a better accuracy and reproducibility than group A for PA shifts ( 2.6 versus 4.4 mm , 1 SD ) , LR shifts ( 2.4 versus 3.6 mm , 1 SD ) and CC shifts ( 2.7 versus 3.3 mm , 1 SD ) .