Table 3.

The failure patterns after matching

Failure site	Total group (n = 50) n (%)	Non-DLI group (n = 25)n (%)	DLI group (n = 25) n (%)	P
Distant metastasis	17(34.0)	5(20.0)	12(48.0)	0.037
External iliac lymph node	3(6.0)	1(4.0)	2(8.0)	1.000
Inguinal lymph node	6(12.0)	2(8.0)	4(16.0)	0.663
Retroperitoneal lymph node	6 (12.0)	1(4.0)	5(20.0)	0.192
Common iliac lymph nodes	1(2.0)	1(4.0)	0(0.0)	1.000
Lungs	12(24.0)	3(12.0)	9(36.0)	0.098
Liver	4(8.0)	1(4.0)	3(12.0)	0.602
Bone	2(4.0)	0(0.0)	2(8.0)	0.490
Brain	2(4.0)	0(0.0)	2(8.0)	0.490
Peritoneum	1(2.0)	0(0.0)	1(4.0)	1.000
Adrenal gland	1(2.0)	0(0.0)	1(4.0)	1.000
Ovary	1(2.0)	0(0.0)	1(4.0)	1.000
Pleura	0(0.0)	0(0.0)	0(0.0)	-
Left supraclavicular lymph node	1(2.0)	1(4.0)	0(0.0)	1.000
Mediastinal lymph nodes	2(4.0)	1(4.0)	1(4.0)	1.000
Pericardium	1(2.0)	0(0.0)	1(4.0)	1.000
Locoregional recurrence	7(14.0)	3(12.0)	4(16.0)	1.000
Anterior pelvic subsite	3(6.0)	1(4.0)	2(8.0)	1.000
Posterior pelvic subsite	0(0.0)	0(0.0)	0(0.0)	-
Lateral pelvic subsite	2(4.0)	0(0.0)	2(8.0)	0.490
Inferior pelvic subsite	3(6.0)	2(8.0)	1(4.0)	1.000
Surgical anastomotic subsite	-	-	-	-

One patients eventually died without locoregional recurrence or distant metastasis

Abbreviation: DLI Dentate line invasion