Prognostic relevance of the IPI18 (n = 432) risk factors for overall survival determined in a multiple Cox regression
| Prognostic factor . | Comparison . | RR . | 95% LCL . | 95% UCL . | P . |
|---|---|---|---|---|---|
| Age, y | ≥ 60 vs < 60 | 1.7 | 1.2 | 2.3 | .002 |
| ECOG | 2-4 vs 0-1 | 2.8 | 1.8 | 4.5 | <.001 |
| LDH | elevated vs normal | 1.6 | 1.2 | 2.3 | .006 |
| No. of extranodal sites | > 1 vs ≤1 | 1.2 | 0.8 | 1.6 | .33 |
| Prognostic factor . | Comparison . | RR . | 95% LCL . | 95% UCL . | P . |
|---|---|---|---|---|---|
| Age, y | ≥ 60 vs < 60 | 1.7 | 1.2 | 2.3 | .002 |
| ECOG | 2-4 vs 0-1 | 2.8 | 1.8 | 4.5 | <.001 |
| LDH | elevated vs normal | 1.6 | 1.2 | 2.3 | .006 |
| No. of extranodal sites | > 1 vs ≤1 | 1.2 | 0.8 | 1.6 | .33 |
Ann Arbor stage was III or IV in all patients.
RR indicates relative risk; LCL, lower confidence limit; UCL, upper confidence limit; and ECOG, ECOG performance status.