Research Article

The International Prognostic Index for Patients with Chronic Lymphocytic Leukemia Has the Higher Value in Predicting Overall Outcome Compared with the Barcelona-Brno Biomarkers Only Prognostic Model and the MD Anderson Cancer Center Prognostic Index

Table 3

Overall survival and time to first therapy data of the MDACC PI, the CLL-IPI, and the Barcelona-Brno biomarkers only prognostic model risk groups.

MDACC PI

GroupMedian OS (95% CI)5-year OS10-year OSHR (95% CI)

Low risk160238.5 (146–330.0)98.491.61 (ref)
Intermediate risk302142 (132–151.9)79.661.64.8 (2.6–9.1)<0.0001
High risk2163.5 (52.6–74.4)51.115.35.3 (0–9.2)<0.0001

GroupMedian TTFT (95% CI)5-year TTFT10-year TTFTHR (95% CI)

Low risk160133.0 (110.8–155.3)20.347.51 (ref)
Intermediate risk30281 (46.6–115.4)44.955.72.2 (1.5–3.1)<0.0001
High risk212.3 (0.3–4.4)93.793.74.4 (3.2–6)<0.0001

CLL-IPI

GroupMedian OS (95% CI)5-year OS10-year OSHR (95% CI)

Low risk126238.5 (147–330)93.689.61
Intermediate risk79144.8 (127.8–161.8)87.674.5%3.2 (1.5–6.7)<0.0001
High risk4973.7 (56.6–90.7)67.826.82.2 (2.1–4.8)<0.0001
Very high risk731.8 (21.2–42.4)28.6NE4.4 (3.2–6)<0.0001

GroupMedian TTFT (95% CI)5-year TTFT10-year TTFTHR (95% CI)

Low risk126Not reached15.829.41 (ref)
Intermediate risk7952.9 (34.5–71.3)5579.14.4 (2.7–7.2)<0.0001
High risk467.6 (5–10)93.493.43.7 (2.8–4.9)<0.0001
Very high risk79.6 (0–21)NENE2.2 (1.6–3.2)<0.0001

Barcelona-Brno PI

GroupMedian OS (95% CI)5-year OS10-year OSHR (95% CI)

Low risk145238.5 (146.8–330)90.7861 (ref)
Intermediate risk91131.9 (95–167.9)81.461.14.34 (2.85–6.63)<0.0001
High risk22Not reached66.2539.37 (5.12–17.14)<0.0001

GroupMedian TTFT (95% CI)5-year TTFT10-year TTFTHR (95% CI)

Low risk142182.2 (83.9–280.4)19.935.81 (ref)
Intermediate risk9131.5 (14.4–48.5)64.782.42.95 (1.57–5.52)<0.0001
High risk219.8 (2.4–17.2)91.691.64.24 (1.67–10.97)<0.0001

NE: not evaluable. NE: last control in month 94. NE: last control in month 45. MDACC: MD Anderson Cancer Center. CLL-IPI: chronic lymphocytic leukemia international prognostic index.