Table 1 Characteristics of MRI and clinicopathological data
From: Predictive value of infiltrating tumor border configuration of rectal cancer on MRI
Variables | n = 153 | PEMVI |  | PLN | |||
|---|---|---|---|---|---|---|---|
Negative (n = 103) n (%) | Positive (n = 50) n (%) | P value | Negative (n = 105) n (%) | Positive (n = 48) n (%) | P value | ||
Age (year) | 63.69 ± 10.68 | 64.19 ± 11.12 | 62.84 ± 9.90 | 0.466 | 64.77 ± 10.61 | 61.52 ± 10.74 | 0.082 |
Gender | Â | Â | Â | 0.908 | Â | Â | 0.615 |
 Male | 100 (65.4) | 67 (65.0) | 33 (66.0) |  | 70(66.7) | 30(62.5) |  |
 Female | 53 (34.6) | 36 (35.0) | 17 (34.0) |  | 35(33.3) | 18(37.5) |  |
Range of rectal wall invasion | Â | Â | 0.505 | Â | Â | 0.04 | |
  ≤ 1/3 | 11 (7.1) | 9 (8.7) | 2 (4.0) |  | 10(9.5) | 1(2.1) |  |
 1/3–2/3 | 55 (35.3) | 38 (36.9) | 17(34.0) |  | 42(40.0) | 13(27.1) |  |
  ≥ 2/3 | 87 (56.9) | 56 (54.4) | 31 (62.0) |  | 53(50.5) | 34(70.8) |  |
TBC | Â | Â | Â | <0.001 | Â | Â | <0.001 |
 iTBC | 62(40.5) | 22(21.4) | 40(80.0) |  | 28(26.7) | 34(70.8) |  |
 pTBC | 91(59.5) | 81(78.6) | 10(20.0) |  | 77(73.3) | 14(29.2) |  |
MEMVI | Â | Â | Â | <0.001 | Â | Â | <0.001 |
 Positive | 50 (32.7) | 13 (12.6) | 37 (74.0) |  | 20(19.0) | 30(62.5) | \ |
 Negative | 103(67.3) | 90(87.4) | 13(36.0) |  | 85(81.0) | 18(37.5) |  |
Growth pattern | Â | Â | 0.382 | Â | Â | 0.021 | |
 Local mass | 72 (47.1) | 51 (49.5) | 21 (42.0) |  | 56(53.3) | 16(33.3) |  |
 Circular infiltration | 81 (52.9) | 52 (50.5) | 29 (58.0) |  | 49(46.7) | 32(66.7) |  |
Tumor location | Â | Â | Â | 0.624 | Â | Â | 0.06 |
 Upper-middle | 108 (70.6) | 74 (71.8) | 34 (68.0) |  | 69(65.7) | 39(81.3) |  |
 Lower | 45 (29.4) | 29 (28.2) | 16 (32.0) |  | 36(34.3) | 9(18.7) |  |
Tumor length | Â | Â | Â | 0.578 | Â | Â | 0.43 |
  ≥ 5 cm | 63(41.2) | 44(42.7) | 19(38.0) |  | 41(39.0) | 22(45.8) |  |
  < 5 cm | 90(78.8) | 59(57.3) | 31(62.0) |  | 64(61.0) | 26(54.2) |  |
 PLN |  |  |  | <0.001 |  | ||
 Positive | 48 (31.4) | 18 (17.5) | 30 (60.0) |  |  | ||
 Negative | 105(68.6) | 85(82.5) | 20(40.0) |  |  | ||
Differentiation | Â | Â | Â | 0.191 | Â | Â | 0.046 |
 Well | 8(5.2) | 7(6.7) | 1(2.1) |  | 7(6.7) | 1(2.1) |  |
 Moderately | 129(84.3) | 88(85.4) | 41(82.0) |  | 91(86.7) | 38(79.2) |  |
 Poorly | 16(10.5) | 8(7.8) | 8(16.0) |  | 7(6.7) | 9(18.8) |  |
Maximal extramural depth | Â | Â | <0.001 | Â | Â | <0.001 | |
  ≥ 5 mm | 54(35.3) | 20(19.4) | 34(68.0) |  | 23(21.9) | 31(64.6) |  |
  < 5 mm | 99(64.7) | 83(80.6) | 16(32.0) |  | 82(78.1) | 17(35.4) |  |