Table 3 Multivariable regression odds ratios for receiving ODX
Variable | Odds Ratio (95% CI) | P-Value |
|---|---|---|
Year of Diagnosis | ||
2010 | Ref | Ref |
2011 | 1.00 (0.76–1.31) | 0.99 |
2012 | 1.00 (0.76–1.31) | 0.99 |
2013 | 1.00 (0.76–1.31) | 0.98 |
2014 | 1.05 (0.80–1.36) | 0.73 |
2015 | 1.05 (0.80–1.36) | 0.73 |
2016 | 1.09 (0.83–1.43) | 0.54 |
Patient Age at Diagnosis (Years) | ||
< 50 | Ref | Ref |
50–59 | 1.04 (0.86–1.27) | 0.66 |
60–69 | 0.97 (0.79–1.18) | 0.75 |
> 69 | 0.45 (0.35–0.58) | < 0.01** |
Marital Status | ||
Single, Divorced, Widowed | Ref | Ref |
Married | 1.22 (1.05–1.41) | < 0.01** |
Unknown | 1.12 (0.73–1.73) | 0.59 |
Grade | ||
I | Ref | Ref |
II | 1.22 (1.03–1.43) | 0.02* |
III/IV | 0.43 (0.35–0.53) | < 0.01** |
Unknown | 0.16 (0.06–0.42) | < 0.01** |
LN Status | ||
Negative | Ref | Ref |
Positive | 0.70 (0.58–0.86) | < 0.01** |
Unknown | 0.21 (0.14–0.31) | < 0.01** |
Tumor Size (mm) | ||
0.1–19 | Ref | Ref |
20–39 | 1.69 (1.35–2.12) | < 0.01** |
> 40 | 0.88 (0.61–1.27) | 0.48 |
Unknown | 0.92 (0.39–2.13) | 0.84 |
Clinical Stage | ||
1 | Ref | Ref |
2 | 0.80 (0.63–1.03) | 0.08 |
3 / 4 | 0.10 (0.06–0.17) | < 0.01** |
MD Clinical Experience (Years) | ||
< 10 | Ref | Ref |
10–19 | 0.89 (0.61–1.29) | 0.53 |
20–29 | 1.05 (0.71–1.57) | 0.79 |
> 29 | 1.07 (0.70–1.61) | 0.76 |
MD Gender | ||
Female | Ref | Ref |
Male | 0.98 (0.79–1.22) | 0.88 |
Patient Volume | 1.00 (0.99–1.01) | 0.48 |
Average Patient Age | ||
< 65 Years | Ref | Ref |
> 65 Years | 0.71 (0.49–1.03) | 0.06 |
Surgical Specialty | ||
General Surgeon | Ref | Ref |
Surgical Oncologist | 0.86 (0.70–1.06) | 0.15 |