Grading on NPI, the good prognostic group was 12, 1%, the moderate group was 64, 5%, and the poor group was 23, 4%.
Chỉ số NPI: nhóm tiên lượng tốt 12,1%, nhóm tiên lượng trung gian 64,5%, nhóm tiên lượng xấu 23,4%.