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Table 3 Univariate and two multivariate logistic regression models for diagnosis of malignant lesion

From: Prospective evaluation of contrast-enhanced ultrasound of breast BI-RADS 3–5 lesions

 

Univariate association with malignancy

Multivariate association with malignancy Model 1

Multivariate association with malignancy Model 2

 

n = 213

Crude OR (95% CI)

p-value

n = 213

adjusted OR (95% CI)

p-value

n = 213

adjusted OR (95% CI)

p-value

Quantitative parameters

TTP (10 s)

 

0.65

(0.50–0.84)

0.001

213

0.78

(0.59–1.03)

0.076

WIS (1 dB/s)

 

6 (1.71–21)

0.005

213

1.6

(0.42–6.09)

0.489

PI (1 dB)

 

1.04

(0.91–1.19)

0.575

AUC (10 dB x s)

 

1.00

(0.97–1.02)

0.698

      

Qualitative parameters

Type of vascularization

  peripheral

164

1.00

ref.

  peripheral + central

49

1.72

(0.89–3.33)

0.110

Perfusion homogeneity

  homogeneous

14

1.00

  heterogeneous

199

2.91

(0.63–13.39)

0.170

Enhancement degree

  poor or absent

78

1.00

78

1.00

78

1.00

  intermediate

70

4.96

(1.97–12.49)

0.001

70

4.1

(1.6–10.47)

0.003

70

4.83

(1.91–12.18)

0.001

  rich

65

13.40

(5.35–33.59)

< 0.001

65

10.38

(4.04–26.72)

< 0.001

65

12.00

(4.57–31.52)

< 0.001

  1. Abbreviations: OR odds ratio; CI confidence interval; TI time intensity curves; TTP time to peak; WIS wash in slope; PI peak intensity; AUC area under curve