Research Article

Identification of a 20-Gene Expression-Based Risk Score as a Predictor of Clinical Outcome in Chronic Lymphocytic Leukemia Patients

Table 2

Cox univariate and multivariate analysis of OS in CLL patient’s training cohort .
(a)

Prognostic variableOverall survival
HR value

GEP risk score45.39<0.0001
 ADAM29 0.400.04
 AKAP12 2.600.02
 DMD 3.390.004
 LPL 4.190.001
 NRIP1 0.12<0.0001
 SEPT10 2.950.01
 SPG20 0.280.006
 TCF7 0.35<0.0001
 TCL1A 4.140.001
 TPM1 2.500.02
 ZAP70 3.280.02
 PS8 10.40<0.0001
Del(17p)10.13<0.0001

(b)

Prognostic variables compared two by twoOverall survival
HR value

GEP risk score55.30<0.0001
ADAM29 1.63NS

GEP risk score46.71 <0.0001
AKAP12 0.93NS

GEP risk score51.78<0.0001
DMD 0.75NS

GEP risk score40.52<0.0001
LPL 1.49NS

GEP risk score8.29<0.0001
NRIP1 0.0350.003

GEP risk score50.95<0.0001
SEPT10 0.76NS

GEP risk score53.31<0.0001
SPG20 0.200.001

GEP risk score28.34<0.0001
TCF7 0.0670.001

GEP risk score40.39<0.0001
TCL1A 2.33NS

GEP risk score69.60<0.0001
TPM1 4.770.001

GEP risk score44.60<0.0001
ZAP70 1.04NS

GEP risk score10.35<0.0001
PS8 4.730.001

GEP risk score38.95<0.0001
Del(17p)3.140.02

(c)

All prognostic variablesOverall survival
HR value

GEP risk score26.230.002
 ADAM29 1.04NS
 AKAP12 6.89NS
 DMD 0.58NS
 LPL 0.54NS
 NRIP1 0.0170.01
 SEPT10 0.58NS
 SPG20 0.76NS
 TCF7 0.0220.01
 TCL1A 0.29NS
 TPM1 2.83NS
 ZAP70 1.53NS
 PS8 0.63NS
Del(17p)1.94NS

The prognostic factors were tested as single variable or multivariables using Cox-model. values and the hazard ratios (HR) are shown. NS: not significant at a 5% threshold.