Table 5.
Univariate and multivariate logistic regression analyses of the training set in the whole cohort.
| Characteristics | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Long-axis | 2.87 (2.21–3.72) | <0.001 | 2.33 (1.63–3.35) | <0.001 |
| Short-axis | ||||
| ≤1 | Reference | |||
| >1 | 4.73 (3.21–6.96) | <0.001 | 2.38 (1.3–4.35) | 0.005 |
| Long-axis/short-axis ratio | ||||
| <1.5 | Reference | |||
| ≥1.5 | 0.79 (0.53–1.17) | 0.239 | ||
| Number of passes per node | 1.12 (0.94–1.32) | 0.198 | ||
| Echo intensity | ||||
| Hypoechoic | Reference | |||
| Hyperechoic | 1.05 (0.38–2.90) | 0.919 | ||
| Isoechoic | 0.41 (0.09–1.87) | 0.250 | ||
| Echogenicity | ||||
| Homogeneous | Reference | |||
| Heterogeneous | 5.51 (3.83–7.93) | <0.001 | 5.65 (3.6–8.85) | <0.001 |
| Margin | ||||
| Indistinct | Reference | |||
| Distinct | 1.29 (0.84–2.00) | 0.249 | ||
| Blood flow | ||||
| Lacking | Reference | |||
| Rich | 1.89 (1.27–2.81) | 0.002 | 1.57 (0.93–2.66) | |
| Fusion | ||||
| Absent | Reference | |||
| Present | 2.02 (1.29–3.14) | 0.002 | 0.36 (0.19–0.68) | 0.002 |
| Central hilar structure | ||||
| Present | Reference | |||
| Absent | 9.44 (6.46–13.78) | <0.001 | 15.59 (9.06–26.83) | <0.001 |