Table 1. Clinical parameters of the DLBCL patients study group (n = 280).

Parameter	Frequency
Age
<70 years	107 (38.2%)
M 70 years	173 (61.8%)
Sex
M	148 (52.9%)
F	132 (47.1%)
ECOG score
0+1	169 (60.4%)
2-3	111 (39.6%)
B-symptoms
No	113 (40.4%)
Yes	167 (59.6%)
IPI score
0–2	107 (38.2%)
3–5	173 (61.8%)
Stage
I–II	42 (15.0%)
III–IV	238 (85.0%)
Extranodal involvement
No	145 (51.8%)
Yes	135 (48.2%)
Leukemization
No	199 (71.1%)
Yes	81 (28.9%)
LDH level
Normal	153 (54.6%)
Elevated	127 (45.4%)

Note:

ECOG, Eastern Cooperative Oncology Group; IPI, International Prognostic Index; LDH, Lactate dehydrogenase.