Parameter Oct2 + /
Total (%)
BCL6 + /
Total (%)
IRF8 + /
Total (%)
OCAB + /
Total (%)
PU.1 + /
Total (%)
IPI          
1 27/33 (81.8) 20/33 (60.6) 21/33 (63.6) 14/33 (42.4) 7/33 (21.2)
2 18/19 (94.7) 11/19 (57.9 13/19 (68.4) 9/19 (47.4) 4/19 (21.0)
3 13/14 (92.8) 5/14 (35.7) 7/14 (50.0) 10/14 (71.4) 4/14 (28.6)
4 5/6 (83.3) 3/6 (50.0) 2/6 (33.3) 5/6 (83.3) 3/6 (50.0)
Pearson Chi Square Test: NS
Table 3: No association was found between the expression of Oct2, BCL6, IRF8, OCAB or PU.1 and the International Prognosis Index score, currently considered as the main prognosis indicator in these patients.