Table 3.
Univariate and Multivariate Logistic Regression Analysis for Factors Associated with Tumor Under Ductoscopy in Training Cohort
| Variables | Univariate Analyses | Multivariate Analyses | ||||
|---|---|---|---|---|---|---|
| Coefficient | OR (95% CI) | p | Coefficient | OR (95% CI) | p | |
| Age(year) | ||||||
| ≤44 | – | 1 | – | 1 | – | |
| >44 | 0.601 | 1.82(1.23–2.71) | 0.003 | 0.574 | 1.77(1.16–2.73) | 0.009 |
| Side of discharge | ||||||
| Unilateral | – | 1 | – | 1 | – | |
| Bilateral | −1.311 | 0.27(0.18–0.57) | 0.001 | −1.287 | 0.28(0.06–1.30) | 0.090 |
| Spontaneous or not | ||||||
| Nonspontaneous | – | 1 | – | 1 | – | |
| Spontaneous | 0.938 | 2.56(1.70–3.84) | 0.000 | 0.902 | 2.46(1.59–3.84) | 0.000 |
| Duration of discharge | ||||||
| Days | – | 1 | – | 1 | – | |
| Weeks | 0.560 | 1.75(0.82–3.76) | 0.151 | 0.523 | 1.69(0.75–3.93) | 0.216 |
| Months | 0.730 | 2.08(1.04–4.15) | 0.039 | 0.833 | 2.30(1.11–4.99) | 0.029 |
| Years | 0.333 | 1.40(0.69–2.82) | 0.355 | 0.696 | 2.01(0.93–4.49) | 0.081 |
| Color of discharge | ||||||
| Non-red | - | 1 | - | 1 | - | |
| Red | 1.083 | 2.95(1.94–4.49) | 0.000 | 0.713 | 2.04(0.92–4.44) | 0.074 |
| Characteristics of discharge | ||||||
| Non-bloody | - | 1 | - | 1 | - | |
| Bloody | 1.196 | 3.31(2.14–5.11) | 0.000 | 0.533 | 1.70(0.76–3.88) | 0.194 |
| Location of discharge | ||||||
| Single duct | - | 1 | - | 1 | - | |
| Multiple ducts | −1.092 | 0.34(0.18–0.64) | 0.001 | 0.180 | 1.20(0.30–4.25) | 0.786 |