TTF for CHOP and R-CHOP based on patient age and IPI score
Group . | Estimated median TTF for CHOP . | P for Cox regression . | Estimated RR for treatment failure for R-CHOP . | 95% CI for RR . |
|---|---|---|---|---|
| Age, y | ||||
| Younger than 60 | Not reached | .003 | 0.417 | 0.233-0.747 |
| 60 and older | 29 mo | .004 | 0.354 | 0.175-0.715 |
| IPI score | ||||
| 1-2 | Not reached | .001 | 0.412 | 0.242-0.701 |
| 3-5 | 29 mo | .009 | 0.331 | 0.144-0.761 |
Group . | Estimated median TTF for CHOP . | P for Cox regression . | Estimated RR for treatment failure for R-CHOP . | 95% CI for RR . |
|---|---|---|---|---|
| Age, y | ||||
| Younger than 60 | Not reached | .003 | 0.417 | 0.233-0.747 |
| 60 and older | 29 mo | .004 | 0.354 | 0.175-0.715 |
| IPI score | ||||
| 1-2 | Not reached | .001 | 0.412 | 0.242-0.701 |
| 3-5 | 29 mo | .009 | 0.331 | 0.144-0.761 |
TTF was not reached in any category in this table for R-CHOP. R-CHOP therapy was significantly superior to CHOP therapy in younger and older patients and in patients with IPI scores of 1 or 2 and from 3 to 5. RR indicates relative risk; 95% CI, 95% confidence interval.