Skip to main content

Table 1 Results of univariate analysis

From: Predictive value of lesion morphology in rectal cancer based on MRI before surgery

 

Total

hEMVI

Synchronous metastasis

Local recurrence

  

Positive

Negative

p value

Positive

Negative

p value

Positive

Negative

p value

 

153

(n = 50) (%)

(n = 103) (%)

 

(n = 16) (%)

(n = 137) (%)

 

(n = 14) (%)

(n = 139) (%)

 

Age

63.7 ± 10.7

62.8 ± 11.1

62.8 ± 9.9

0.47

60.1 ± 6.6

64.2 ± 11.0

0.15

60.6 ± 12.5

63.9 ± 10.7

0.42

Gender

153

  

0.91

  

0.42

  

0.49

 Male

100(65.4)

33(66.0)

67(65.0)

 

9(56.3)

91(66.4)

 

12(73.3)

88(64.5)

 

 Female

53(34.6)

17 (34.0)

36(35.0)

 

7(53.7)

46(36.6)

 

2(26.7)

51(35.5)

 

NP

   

< 0.001

  

< 0.001

  

0.003

 Negative

101(66.0)

12(24.0)

89(86.4)

 

2(12.5)

99(72.3)

 

4(28.6)

97(69.7)

 

 Positive

52(34.0)

38(76.0)

14(13.6)

 

14(87.5)

38(27.7)

 

10(71.4)

42(30.2)

 

CS

   

< 0.001

  

0.02

  

0.006

 Negative

100(65.4)

15(30.0)

85(82.5)

 

5(31.2)

95(69.9)

 

4(28.6)

96(69.1)

 

 Positive

53 (34.6)

35(70.0)

18(17.5)

 

11(68.8)

42(30.1)

 

10(71.4)

43(30.9)

 

IN

   

< 0.001

  

< 0.001

  

0.25

 Negative

111(72.5)

19(38.0)

92(89.3)

 

4(25.0)

107(78.1)

 

9(60.0)

102(73.9)

 

 Positive

42(27.5)

31(62.0)

11(10.7)

 

12(75.0)

30(21.9)

 

5(40.0)

37(26.1)

 

PRI

   

0.02

  

0.22

  

< 0.001

 Negative

141(92.2)

42(84.0)

99(96.0)

 

13(81.3)

128(93.4)

 

8(57.1)

133(95.7)

 

 Positive

12(7.8)

8(16.0)

4(3.9)

 

3(18.8)

9(6.6)

 

6(42.9)

6(4.3)

 

Growth pattern

   

0.38

  

0.03

  

< 0.001

 Local mass

72(47,1)

21(42.0)

52(50.5)

 

3(18.8)

69(50.4)

 

1(7.1)

71(51.1)

 

Circular infiltration

81(52.9)

29(58.0)

51(49.5)

 

13(81.3)

68(49.6)

 

13(92.9)

68(48.9)

 

RRWI

   

0.48

  

0.11*

  

0.02

 ≤ 1/3

11(7.2)

2(4.0)

9(8.7)

 

0(0)

11(8.0)

 

0(0)

11(7.9)

 

 1/3 − 2/3

55(35.9)

17(34.0)

38(36.9)

 

3(18.8)

52 (38.0)

 

1(7.1)

54(38.8)

 

 ≥ 2/3

87(56.9)

31(62.0)

56(54.4)

 

13(81.3)

74(54.0)

 

13(92.9)

74(53.2)

 

Tumor length

   

0.58

  

0.20

  

0.06

 < 5 cm

90(58.8)

31(62.0)

59(57.3)

 

7(43.8)

83(60.6)

 

5(35.7)

85(61.2)

 

 ≥ 5 cm

63(41.2)

19(38.0)

19(42.7)

 

9(56.2)

54(39.4)

 

9(64.3)

54(39.8)

 

EMD

   

< 0.001

  

< 0.001

  

< 0.001

 < 5 mm

99(64.7)

16(32.0)

83(80.6)

 

3(18.8)

96(70.1)

 

2(14.3)

97(69.8)

 

 ≥ 5 mm

54(35.3)

34(68.0)

20(19.4)

 

13(81.3)

41(29.9)

 

12(85.7)

42(30.2)

 

hLN

   

< 0.001

  

0.23

  

0.03

 Negative

105(68.6)

20(40.0)

85(82.5)

 

7(43.7)

98(71.5)

 

6(42.9)

99(71.2)

 

 Positive

48(31.4)

30(60.0)

18(17.5)

 

9(56.3)

39(28.5)

 

8(57.1)

40(28.8)

 

hEMVI

      

0.01

  

0.04

 Negative

103(67.3)

   

5(31.2)

98(71.5)

 

6(42.9)

97(69.7)

 

 Positive

50(32.7)

   

11(68.8)

39(28.5)

 

8(57.1)

42(30.2)

 

MRI T stage

   

0.06

  

0.02*

  

< 0.001*

 T2

23(15.0)

3(6.0)

20(19.4)

 

0(0)

23(16.8)

 

0(0)

23(16.5)

 

 T3

95(62.1)

29(58.0)

66(64.1)

 

7(43.7)

88(64.2)

 

5(35.7)

90(64.7)

 

 T4

35(22.9)

18(36.0)

17(16.5)

 

9(56.3)

26(19.0)

 

9(64.3)

26(18.7)

 

MRI N stage

   

< 0.001

  

< 0.001

  

0.174

 N0

89(58.2)

11(22.0)

78(75.7)

 

1(6.3)

88(64.2)

 

5(35.7)

84(60.4)

 

 N1

33(21.6)

17(34.0)

16(15.5)

 

4(25.0)

29(21.2)

 

4(28.6)

29(20.9)

 

 N2

31(20.3)

22(44.0)

9(8.7)

 

11(68.8)

20(14.6)

 

5(35.7)

26(18.7)

 

mEMVI

   

< 0.001

  

< 0.001

  

< 0.001

 Negative

103(67.3)

13(26.0)

90(87.4)

 

1(6.2)

102(74.5)

 

3(21.4)

100(71.9)

 

 Positive

50(32.7)

37(74.0)

13(12.6)

 

15(93.8)

35(25.5)

 

11(78.6)

39(28.1)

 
  1. hEMVI: histologically confirmed extramural vascular invasion; NP: nodular projection at the primary tumor’s edge; CS: cord sign at the primary tumor’s edge; IN: irregular nodules in the mesorectum; PRI: peritoneal reflection invasion; RRWI: range of rectal wall invasion; hLN: histologically confirmed local node involvement; EMD: the maximal extramural depth. *:Fisher’s exact test; mEMVI: MRI-detected extramural vascular invasion