Table 3 Correlation between BSV of CD133 mRNA with clinicopathological features and Ki-67 LI [n(%)] (n = 31 cases)

Gender

male

24(77.4%)

0.3674 ± 0.1292

Z = -0.520

0.603

female

7(22.6%)

0.4156 ± 0.1829

Age(year)

≤ 60

10(32.3%)

0.3150 ± 0.1140

Z = -1.648

0.099

> 60

21(67.7%)

0.4084 ± 0.1452

Tumor diameter (cm)

≤ 5

18(58.1%)

0.3343 ± 0.1212

Z = -2.042

0.041

> 5

13(41.9%)

0.4393 ± 0.1484

Histological grade

1

3(9.7%)

0.2555 ± 0.0095

H = 3.501

0.321

2

13(41.9%)

0.3674 ± 0.1185

3

15(48.4)

0.4177 ± 0.1634

Invasion depth

T ₁

1(3.2%)

0.2630 ± 0.0311

H = 3.142

0.370

T ₂

5(16.1%)

0.3199 ± 0.1855

T ₃

13(41.9%)

0.4234 ± 0.1511

T ₄

12(38.7%)

0.3634 ± 0.1073

Lymph node metastasis

N ₀

8(25.8%)

0.2395 ± 0.0309*

H = 13.583

0.004

N ₁

12(38.7%)

0.4418 ± 0.1617

N ₂

7(22.6%)

0.4258 ± 0.1052

N ₃

4(12.9%)

0.3824 ± 0.0782

TNM stage

II

5(16.1%)

0.3179 ± 0.1862

H = 6.409

0.093

II

2(6.5%)

0.2257 ± 0.0226

III

16(51.6%)

0.3951 ± 0.1461

IV

8(25.8%)

0.4207 ± 0.0882

Lymphatic vessel infiltration

positive

18(58.1%)

0.5013 ± 0.1412

Z = -2.142

0.040

negative

13(41.9%)

0.3343 ± 0.1212

Vascular infiltration

positive

17(54.8%)

0.4783 ± 0.1081

Z = -2.042

0.039

negative

14(45.2%)

0.3343 ± 0.1212

Ki-67 LI

Lower

16(51.6%)

0.4364 ± 0.1398

Z = -2.332

0.02

higher

15(48.4%)

0.3164 ± 0.1174