Skip to main content

Table 4 Multivariate regression analysis of pre-contrast and contrast-enhanced phase

From: Differentiation of renal angiomyolipoma without visible fat from small clear cell renal cell carcinoma by using specific region of interest on contrast-enhanced CT: a new combination of quantitative tools

Model

Coefficient

Odds ratio

95% CI (odds ratio)

P

Lower bound

Upper bound

Pre-contrast phase

Constant

5.257

    

Gender

3.137

23.028

4.892

108.408

0.000

Pseudocapsule sign

2.549

12.801

1.453

112.806

0.022

Angular interface

2.155

8.628

1.956

38.059

0.004

AVT_PCP (1)

− 0.215

0.806

0.720

0.903

0.000

Corticomedullary phase

Constant

− 35.318

    

Gender

6.796

894.054

11.272

70,915.930

0.002

Cystic degeneration

3.361

28.816

1.803

460.581

0.017

RER_CMP (2)

0.185

1.203

1.075

1.347

0.001

SHR_CMP

0.038

1.039

1.011

1.066

0.005

Nephrographic phase

Constant

− 17.114

    

Gender

2.203

7.403

2.326

35.233

0.001

Pseudocapsule sign

2.038

11.703

0.981

75.477

0.048

RER_NP (2)

0.157

1.177

1.081

1.266

0.000

HDT_NP

0.195

1.345

1.052

1.405

0.008

Excretory phase

Constant

− 12.019

    

Gender

2.773

16.005

4.033

65.523

0.000

Angular interface

2.059

7.840

1.883

32.643

0.005

RER_EP (2)

0.088

1.092

1.027

1.162

0.005

SHR_EP

1.788

5.978

2.066

17.292

0.001

  1. PCP: pre-contrast phase, CMP: corticomedullary phase, NP: nephrographic phase, EP: excretory phase
  2. AVT: attenuation value of tumor, RER: relative enhancement ratio, HDT: heterogeneous degree of tumor, SHR: standardized heterogeneous ratio
  3. (1): ROI (1), (2): ROI (2)