Table 2 Clinical-pathologic characteristics of patients in the EMVI-positive and EMVI-negative groups

Age, mean ± SD

65.4 ± 9.8

68.2 ± 11.3

0.201

Sex

0.316

 Male

31(53.4%)

62(45.6%)

 Female

27(46.6%)

74(54.4%)

Histological grade

0.429

 Well differentiated

11(19.0%)

17(12.5%)

 Moderately differentiated

29(50.0%)

79(58.1%)

 Poorly differentiated

18(31.0%)

40(29.4%)

Histological stage

0.001*

 T1-2

18(31.0%)

78(57.4%)

 T3-4

40(69.0%)

58(42.6%)

Pathologic lymph node

0.028*

 N0

25(43.1%)

82(60.3%)

 N1-2

33(56.9%)

54(39.7%)

 Tumor length, cm

5.05 ± 2.43

4.97 ± 3.22

0.474

mrEMVI Scores

0.000 *

 1

12 (20.7%)

63 (46.3%)

 2

11 (19.0%)

48 (35.3%)

 3

17 (29.3%)

25 (18.4%)

 4

18 (31.0%)

0 (0%)

mrCRM

 Negative (> 1 mm)

41 (70.7%)

112(83.4%)

0.069

 Positive (≤ 1 mm)

17(29.3%)

24(17.6%)