Risk of central nervous system involvement.
| Variable . | Relative Risk (95% Confidence Interval) . | P Value . |
|---|---|---|
| No. of extranodal sites (>1 vs ≤ 1) | 3.0 (1.7-5.4) | < 0.001 |
| Age > 60 vs ≤ 60 yrs | 2.8 (1.5-5.4) | 0.002 |
| Albumin < 3.5 g/L vs > 3.5 g/L | 2.5 (1.3-4.6) | 0.005 |
| LDH ≥ 450 m/L vs < 450 m/L | 2.1 (1.0-4.4) | 0.049 |
| Retroperitoneal glands: Yes vs no | 1.9 (1.0-3.5) | 0.037 |
| Variable . | Relative Risk (95% Confidence Interval) . | P Value . |
|---|---|---|
| No. of extranodal sites (>1 vs ≤ 1) | 3.0 (1.7-5.4) | < 0.001 |
| Age > 60 vs ≤ 60 yrs | 2.8 (1.5-5.4) | 0.002 |
| Albumin < 3.5 g/L vs > 3.5 g/L | 2.5 (1.3-4.6) | 0.005 |
| LDH ≥ 450 m/L vs < 450 m/L | 2.1 (1.0-4.4) | 0.049 |
| Retroperitoneal glands: Yes vs no | 1.9 (1.0-3.5) | 0.037 |