| Characteristic | Univariable | Multivariable | |||||
|---|---|---|---|---|---|---|---|
| N | OR1 | 95% CI1 | p-value | OR1 | 95% CI1 | p-value | |
| Regions | 1,678 | ||||||
| Midwest | — | — | — | — | |||
| Northeast | 1.23 | 0.95, 1.60 | 0.12 | 1.35 | 0.93, 1.97 | 0.11 | |
| South | 0.91 | 0.70, 1.18 | 0.47 | 1.00 | 0.70, 1.42 | 0.99 | |
| West | 1.84 | 1.37, 2.49 | <0.001 | 2.19 | 1.45, 3.33 | <0.001 | |
| Tumor Grade | 868 | ||||||
| Moderately differentiated | — | — | — | — | |||
| Poorly differentiated | 0.78 | 0.58, 1.04 | 0.092 | 0.73 | 0.54, 0.99 | 0.040 | |
| Well differentiated, differentiated | 0.79 | 0.53, 1.18 | 0.25 | 0.74 | 0.49, 1.12 | 0.16 | |
|
1
OR = Odds Ratio, CI = Confidence Interval
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