Table 3 Association of CTC subgroups with general clinical characteristics of 64 patients. Data are presented as median (interquartile range)

 SCC

14.00 (9.50,23.00)

1.00 (0.00,5.00)

6.00 (4.00,18.00)

3.00 (1.00,5.00)

 ADC

13.00 (10.00,20.00)

3.00 (0.00,6.50)

6.00 (3.50,10.00)

2.00 (1.00,4.50)

 SCA

9.00 (1.00,13.50)

2.00 (0.00,5.00)

2.00 (0.50,4.50)

1.00 (1.00,6.50)

χ ²

4.397

0.648

7.210

0.320

P

0.111

0.723

0.027*

0.852

TNM Stage

 I+II

8.00 (5.00,11.00)

2.00 (0.00,4.00)

4.00 (2.00,6.00)

1.00 (0.00,1.00)

 III + IV

15.50 (11.00,24.25)

2.00 (0.00,5.75)

6.50 (4.00,17.00)

3.00 (2.00,5.75)

Z

-4.394

-0.508

-2.806

-4.071

P

0.000*

0.611

0.005*

<0.001*

ECOG

 ≤ 1

11.00 (6.50,17.00)

3.00 (0.00,5.00)

6.00 (3.00,9.00)

1.00 (1.00,3.00)

 >1

14.50 (12.00,27.50)

2.00 (0.00,6.25)

7.00 (3.00,19.75)

4.00 (2.00,7.25)

Z

-2.291

-0.377

-1.255

-2.265

P

0.022^*

0.706

0.209

0.024^*