Table 3. Scoring system for CLNM prediction.
| Predictors | P | β | Weight※ | OR | Points# assigned |
|---|---|---|---|---|---|
| uCLNM& | 0.000 | 0.300 | |||
| Yes | 1.201 | 3.355 | 12.4 | ||
| No | 0 | ||||
| uLLNM& | 0.000 | 0.189 | 5.0 | ||
| Yes | 0.758 | 2.185 | |||
| No | 0 | ||||
| z-Size￥ | 0.000 | 0.465 | 0.116 | ||
| >4 | 6.061 | 8.5 | |||
| ≤4 | 2.535 | 3.5 | |||
| ≤3 | 2.423 | 3.4 | |||
| ≤2 | 1.794 | 2.5 | |||
| ≤1 | 0 | ||||
| Gender | 0.009 | 2.0 | |||
| Male | 0.432 | 0.108 | 1.532 | ||
| Female | 0 | ||||
| uCapsule | 0.006 | ||||
| Yes | 0.411 | 0.103 | 1.499 | 1.8 | |
| No | 0 | ||||
| PEF | 0.016 | ||||
| Yes | 0.404 | 0.101 | 1.477 | 1.8 | |
| No | 0 | ||||
| z-Age￥ | 0.000 | 0.329 | 0.082 | ||
| ≤24 | 2.020 | 2.0 | |||
| 25–34 | 2.197 | 2.2 | |||
| 35–44 | 1.389 | 1.4 | |||
| ≥45 | 0 |
&, CLNM/LLNM in ultrasound; ￥, standardized by z-score; β, standardization regression coefficient; ※, weight was each β of the predictor divided by the sum of all β; #, points were weight multiplied by OR. CLNM, central lymph node metastasis; LLNM, lateral lymph node metastasis; OR, odds ratio.