Table 1.

Patient and treatment characteristics (N = 512)

ParameterN (%)
Median age, years 58 
 Range 20-90 
Female sex 254 (49.6) 
ECOG PS 0-1 509 (99.4) 
Stage I disease 410 (80.1) 
 Extranodal disease 113 (22.1) 
 B symptoms 3 (0.6) 
Stage II disease 102 (19.9) 
 Extranodal disease 14 (2.7) 
 B symptoms 2 (0.4) 
Grade  
 1-2 460 (89.8) 
 3A or 3 NOS 52 (10.2) 
Median RT dose, Gy 30 
 Range 24-52 
 24-30 345 (67.4) 
 >30-36 140 (27.3) 
 >36 27 (5.3) 
Median pretreatment size, cm 2.8 
 Range 0.2-10 
 Unknown 45 (8.8) 
Median follow-up, mo 52.3 
 Range 3.2-174.6 
BCL2 expression  
 Positive 281 (54.9) 
 Negative 133 (26.0) 
 Unknown 98 (19.1) 
ParameterN (%)
Median age, years 58 
 Range 20-90 
Female sex 254 (49.6) 
ECOG PS 0-1 509 (99.4) 
Stage I disease 410 (80.1) 
 Extranodal disease 113 (22.1) 
 B symptoms 3 (0.6) 
Stage II disease 102 (19.9) 
 Extranodal disease 14 (2.7) 
 B symptoms 2 (0.4) 
Grade  
 1-2 460 (89.8) 
 3A or 3 NOS 52 (10.2) 
Median RT dose, Gy 30 
 Range 24-52 
 24-30 345 (67.4) 
 >30-36 140 (27.3) 
 >36 27 (5.3) 
Median pretreatment size, cm 2.8 
 Range 0.2-10 
 Unknown 45 (8.8) 
Median follow-up, mo 52.3 
 Range 3.2-174.6 
BCL2 expression  
 Positive 281 (54.9) 
 Negative 133 (26.0) 
 Unknown 98 (19.1) 

Continuous variables are shown with ranges, and categorical variables with percentages in parentheses.

ECOG PS, Eastern Cooperative Oncology Group performance score; NOS, not otherwise specified.

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