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Table 1 Univariate and Multivariate analysis to identify significant clinical factors for MLM

From: Whole-liver enhanced CT radiomics analysis to predict metachronous liver metastases after rectal cancer surgery

Clinical

Characteristics

Non-MLM Group

(n = 60)

MLM Group

(n = 52)

univariate analysis

multivariate analysis

Statistics

p-value

OR (95% CI)

p-value

Age (mean ± SD, years)

56.12 ± 9.84

57.96 ± 10.10

−0.978

0.330

  

Sex

  

4.125

0.042*

  

 Male

34 (30.4%)

39 (34.8%)

    

 Female

26 (23.2%)

13 (11.6%)

    

pT stage

  

7.328

0.026*

2.464 (1.252–4.851)

0.009*

 pT2

14 (12.5%)

5 (4.4%)

    

 pT3

39 (34.8%)

32 (28.6%)

    

 pT4

7 (6.3%)

15 (13.4%)

    

pN stage

  

2.441

0.295

  

 pN0

8 (7.1%)

5 (4.5%)

    

 pN1

35 (31.3%)

25 (22.3%)

    

 pN2

17 (15.2%)

22 (19.6%)

    

Hepatitis

  

1.876

0.171

  

 Negative

41 (36.6%)

29 (25.9%)

    

 Positive

19 (17.0%)

23 (20.5%)

    

CEA

  

4.633

0.031*

  

 Normal (< 5 ng/ml)

43 (38.4%)

27 (24.1%)

    

 Elevated (≥5 ng/ml)

17 (15.2%)

25 (22.3%)

    

CA19–9

  

1.450

0.229

  

 Normal (< 37 U/ml)

51 (45.5%)

48 (42.9%)

    

 Elevated (≥37 U/ml)

9 (8.0%)

4 (3.6%)

    
  1. MLM metachronous liver metastases; non-MLM non-metachronous liver metastases; SD standard deviation; CA19–9 carbohydrate antigen 19–9; CEA carcinoembryonic antigen; OR Odds Ratio; CI confidence interval; * p < 0.05