Variable | Seronegative | Seropositive | Statistical significance (p value < 0.05) |
Total number | 212 | 198 |
|
Percentage | 53.5% | 46.5% |
|
Median age | 48 years | 36 years | Yes |
PS ≥ 2 | 44% | 58% |
|
“B” symptoms | 84% | 91% |
|
Stage III/IV | 68% | 83% |
|
High grade histology | 39% | 98% | Yes |
EN disease | 49% | 71% | Yes |
LDH increase | 85% | 93% |
|
Increased B2-M | 62% | 83% | Yes |
Survival | 42 months | 11 months | Yes |