Table 5. Univariate and multivariable analyses of CT visual assessment and binary slope for differentiation of invasive mucinous adenocarcinoma and bacterial pneumonia.
| Univariate | Multivariable | |||||
|---|---|---|---|---|---|---|
| P value | OR | 95% CI | P value | OR | 95% CI | |
| Ill-defined margin | < 0.001 | 6.89 | 2.62–18.14 | 0.02 | 4.84 | 1.26–18.52 |
| Bubble lucency | 0.006 | 0.28 | 0.11–0.70 | |||
| Open vessel sign | 0.99 | |||||
| Fissure bulging | 0.005 | 3.78 | 1.50–9.51 | |||
| Ground-glass opacity | <0.001 | 6.75 | 2.58–17.69 | 0.003 | 8.55 | 2.09–34.95 |
| Pleural retraction | 0.04 | 0.19 | 0.04–0.95 | |||
| Binary slope* | <0.001 | 13.5 | 3.89–46.81 | 0.001 | 12.63 | 2.77–57.51 |
Note.
*Patients were classified into two groups according to the value of the 7-pixel maximal slope, using a cut-off slope value of -154.21. CI, confidence interval; OR, odds ratio.