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. 2020 Jun 17;20:66. doi: 10.1186/s12880-020-00467-2

Table 3.

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

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

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

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