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Table 2 Associations between EMVI and clinical risk predictors in validation cohort

From: Value of texture analysis based on dynamic contrast-enhanced magnetic resonance imaging in preoperative assessment of extramural venous invasion in rectal cancer

Characteristics

EMVI (−) (N = 4)

EMVI (+) (N = 3)

Age, mean ± SD, years

77.00 ± 5.48

70.00 ± 13.75

Sex, N (%)

 Male

4 (100)

3 (100)

 Female

0 (0)

0 (0)

BMI, mean ± SD, kg/m2

22.40 ± 1.86

21.12 ± 4.92

CEA

 ≤ 5 ng/mL, N (%)

4 (100)

1 (33.33)

 > 5 ng/mL, N (%)

0 (0)

2 (66.67)

CA19-9

 ≤ 34 U/mL, N (%)

4 (100)

3 (100)

 > 34 U/mL, N (%)

0 (0)

0 (0)

Distance, mean ± SD, mm

85.00 ± 20.82

99.67 ± 22.14

cT N (%)

 T1

0 (0)

0 (0)

 T2

0 (0)

0 (0)

 T3

3 (75.00)

1 (33.33)

 T4a

1 (25.00)

2 (66.67)

 T4b

0 (0)

0 (0)

cN N (%)

 Negative

1 (25.00)

1 (33.33)

 Positive

3 (75.00)

2 (66.67)

LN, median, N

3.5

3

MR-EMVI, N (%)

 Negative

3 (75.00)

3 (100)

 Positive

1 (25.00)

0 (0)

MR-CRM, N (%)*

 Negative

4 (100)

3 (100)

 Positive

0 (0)

0 (0)

  1. Associations between EMVI and clinical risk predictors in validation cohort
  2. EMVI extramural vascular invasion, SD standard deviation, BMI body mass index, Distance the distance between the rectal cancer and anal edge, cT MRI-based T staging, cN MRI-based N staging, LN number of visible regional lymph nodes, MR-EMVI MRI-based EMVI assessment, MR-CRM MRI-based circumferential resection margin assessment
  3. *Pathological CRM in all patients were negative