passages.id: split_4_test_2265_passage
passages.type: progene_text
passages.text: Gastritis score was significantly lower in nod - / CagA - children than in nod + / CagA - ( p = .004 ) , nod - / CagA + ( p = .002 ) and nod + / CagA + ( p < .001 ) , both in the antrum and corpus .