Table 2 The failure patterns before matching

Distant metastasis

52(24.8)

32(19.4)

20(44.4)

 < 0.001

 External iliac lymph node

7(3.3)

5(3.0)

2(4.4)

0.996

 Inguinal lymph node

10(4.8)

5(3.0)

5(11.1)

0.024

 Retroperitoneal lymph node

10(4.8)

5(3.0)

5(11.1)

0.024

 Common iliac lymph nodes

2(1.0)

2(1.2)

0(0.0)

0.902

 Lungs

32(15.2)

19(11.5)

13(28.9)

0.004

 Liver

13(6.2)

8(4.8)

5(11.1)

0.122

 Bone

12(5.7)

6(3.6)

6(13.3)

0.013

 Brain

4(1.9)

2(1.2)

2(4.4)

0.426

 Peritoneum

2(1.0)

1(0.6)

1(2.2)

0.900

 Adrenal gland

2(1.0)

1(0.6)

1(2.2)

0.900

 Ovary

1(0.5)

0(0.0)

1(2.2)

0.214

 Pleura

1(0.5)

1(0.6)

0(0.0)

1.000

 Left supraclavicular lymph node

3(1.4)

2(1.2)

1(2.2)

0.840

 Mediastinal lymph nodes

4(1.9)

2(1.2)

2(4.4)

0.426

 Pericardium

1(0.5)

0(0.0)

1(2.2)

0.214

 Pancreas

1(0.5)

1(0.6)

0(0.0)

1.000

 Other sites

3(1.4)

3(1.8)

0(0.0)

0.840

 Unknow

3(1.4)

2(1.2)

1(2.2)

-

Locoregional recurrence

19(9.0)

13(7.9)

6(13.3)

0.729

 Anterior pelvic subsite

7(3.3)

4(2.4)

3(6.7)

0.349

 Posterior pelvic subsite

3(1.4)

3(1.8)

0(0.0)

0.840

 Lateral pelvic subsite

6(2.9)

3(1.8)

3(6.7)

0.220

 Inferior pelvic subsite

3(1.4)

2(1.2)

1(2.2)

0.840

 Surgical anastomotic subsite

2(1.0)

2(1.2)

0(0.0)

0.902