TABLE 1.

Distribution of patients according to the selected regimens

	Number	%
R-ACVBP	19	6.4
R-CHOP	253	85.8
R-CHOP+MTX	12	4.1
R-CHOP/R-other	11	3.7
Total	295	100.0

R-ACVBP = rituximab, doxorubicin, cyclophosphamide, vincristine, bleomycin, prednisolone; R-CHOP = rituximab, doxorubicin, cyclophosphamide, vincristine, prednisolone; R-CHOP+MTX = rituximab, doxorubicin, cyclophosphamide, vincristine, prednisolone, middle-dose methotrexate; R-CHOP/R-other = R-CHOP with reduced doses of doxorubicin + etoposide