Table 5.
Logistic Regression Analysis Results of Combined Model Based on CEUS-MRI-Clinical Features for Predicting the BCR.
| Combined model | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| Factors | P | Hazard ratio | P | Hazard ratio |
| Tumor diameter | <.05a | 1.26 (1.09-1.46) | ||
| Clinical TNM stage | .01a | 1.85 (1.12-3.07) | ||
| Lymph node metastasis | .01a | 1.26 (1.04-1.53) | ||
| Distant metastasis | .01a | 2.09 (1.17-3.71) | ||
| GleasonSum | <.05a | 1.30 (1.13-1.50) | .04a | 1.24 (1.01-1.54) |
| Preoperative PSA | .02a | 1.05 (1.01-1.10) | .04a | 1.07 (1.00-1.14) |
| PI | .03a | 1.05 (1.00-1.10) | ||
| AT | <.05a | 1.07 (1.02-1.13) | .03a | 1.09 (1.01-1.19) |
| elastography grade | .04a | 1.19 (1.01-1.41) | ||
| Radscore1 | <.05a | 3.43 (1.91-6.16) | <.05a | 5.28 (1.85-9.89) |
| Radscore2 | <.05a | 2.63 (1.93-3.58) | <.05a | 2.60 (1.81-3.73) |
Abbreviations: CEUS, contrast-enhanced ultrasound; BCR, biochemical recurrence; PI, peak intensity; AT, arrival time; MRI, magnetic resonance imaging; TNM, tumor node metastasis classification.
a
P < .05.