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. 2011 Jul 25;9:120. doi: 10.1186/1479-5876-9-120

Table 4.

Univariate analysis of time to progression (TTP) and overall survival (OS) using the Cox proportional hazard model

n TTP analysis OS analysis

Hazard ratio (95% CI) Log-rank
P-value
Hazard ratio (95% CI) Log-rank P-value
Baseline characteristics
Age 37 0.984 (0.944-1.02) 0.429 0.996 (0.962-1.03) 0.819
Sex (male vs. female) 37
(34 vs. 3)
0.214
(0.028-1.64)
0.105 0.654
(0.155-2.76)
0.559
Number of disease sites
(1 vs. ≥ 2)
37
(18 vs. 19)
1.78
(0.754-4.18)
0.183 1.03
(0.501-2.11)
0.939
Cirrhosis (no vs. yes) 35
(23 vs. 12)
2.22
(0.907-5.41)
0.0743 2.23
(0.975-5.11)
0.0521
Portal vein thrombosis
(no vs. yes)
37
(18 vs. 19)
1.3
(0.549-3.1)
0.547 2.00
(0.938-4.27)
0.0682
Hepatitis B (no vs. yes) 32
(15 vs. 7)
1.74
(0.685-4.4)
0.240 1.07
(0.489-2.35)
0.864
Histological grade
(low or medium vs. high)
33
(22 vs. 11)
0.756
(0.276-2.07)
0.586 0.78
(0.337-1.81)
0.561
Child-Pugh class (A vs. B) 37
(31 vs. 6)
1.49
(0.428-5.18)
0.530 3.39
(1.34-8.61)
0.0065*
ECOG PS (0 vs. 1) 37
(19 vs. 18)
3.21
(1.19-8.63)
0.0157* 7.86
(2.78-22.2)
< 0.0001*
CLIP stage (≤ 2 vs. > 2) 27
(15 vs. 12)
1.57
(0.490-5.00)
0.445 1.23
(0.54-2.81)
0.62
Soluble proteins
Baseline VEGF-A (ng/mL) 37 0.041
(0.0006-3.00)
0.132 1.04
(0.056-19.4)
0.977
Baseline VEGF-C (ng/mL) 37 0.413
(0.196-0.869)
0.0165* 0.683
(0.384-1.21)
0.190
Baseline sVEGFR-2 (ng/mL) 37 0.887
(0.699-1.13)
0.325 0.969
(0.803-1.17)
0.746
Baseline sKIT (ng/mL) 37 0.996
(0.959-1.04)
0.853 0.997
(0.970-1.02)
0.804
sVEGFR-2 ratio to baseline at C1D28 28 0.216
(0.0084-5.54)
0.353 0.049
(0.0027-0.672)
0.0253*

Hazard ratio < 1 indicates that risk decreases with increasing value

*Significant at the 0.05 level

Analyzed as continuous variables

CLIP, Cancer of the Liver Italian Program; ECOG PS, Eastern Cooperative Oncology Group performance status