Table 3.
Bivariate Analysis: Factors Associated with Receipt of Preoperative Biliary Stenting
| % Undergoing Preoperative Biliary Stenting | p-value | |
|---|---|---|
| Year of Diagnosis | <0.0001 | |
| 1992–1995 | 29.6% | |
| 1996–1999 | 47.1% | |
| 2000–2003 | 55.9% | |
| 2004–2007 | 59.1% | |
| Patient Demographics | ||
| Sex | 0.05 | |
| Male | 54.7% | |
| Female | 50.9% | |
| Race | 0.04 | |
| White | 53.7% | |
| Black | 45.7% | |
| Hispanic | 56.7% | |
| Other | 44.6% | |
| Marital Status | 0.21 | |
| Married | 53.6% | |
| Unmarried | 51.1% | |
| Charlson comorbidity score | 0.36 | |
| 0 | 52.2% | |
| 1 | 51.0% | |
| 2 | 55.6% | |
| 3+ | 55.8% | |
| Income Quartiles | 0.0006 | |
| Quartile 1 (lowest) | 45.6% | |
| Quartile 2 | 55.6% | |
| Quartile 3 | 55.2% | |
| Quartile 4 (highest) | 54.4% | |
| Education Quartiles | 0.02 | |
| Quartile 1 (lowest) | 47.5% | |
| Quartile 2 | 55.6% | |
| Quartile 3 | 54.6% | |
| Quartile 4 (highest) | 53.2% | |
| SEER Region | <0.0001 | |
| Atlanta | 53.4% | |
| Connecticut | 51.0% | |
| Detroit | 44.7% | |
| Greater California | 56.5% | |
| Hawaii | 40.4% | |
| Iowa | 49.2% | |
| Kentucky | 62.0% | |
| Los Angeles | 47.2% | |
| Louisiana | 43.2% | |
| New Jersey | 59.3% | |
| New Mexico | 45.2% | |
| Rural Georgia | 66.7% | |
| San Francisco | 46.5% | |
| San Jose | 51.6% | |
| Seattle | 63.3% | |
| Utah | 64.6% | |
| Preoperative Signs/Symptoms | ||
| Jaundice | <0.0001 | |
| Yes | 66.2% | |
| No | 28.3% | |
| Cholangitis | <0.0001 | |
| Yes | 87.6% | |
| No | 48.6% | |
| Pruritus | <0.0001 | |
| Yes | 74.4% | |
| No | 51.1% | |
| Coagulopathy | 0.05 | |
| Yes | 76.5% | |
| No | 52.5% | |
| Tumor Characteristics and Treatment | ||
| Stage (N=2,496) | 0.0002 | |
| Localized | 44.1% | |
| Regional | 55.0% | |
| Distant | 47.8% | |
| Differentiation | 0.49 | |
| Poor | 53.7% | |
| Nodal status (regional disease only) (N=1,979) | 0.22 | |
| Positive | 55.7% | |
| Negative | 52.7% | |
| Neoadjuvant therapy | 0.008 | |
| Yes | 63.3% | |
| No | 52.0% | |
| Gastroenterologist visit before surgeon visit | <0.0001 | |
| Yes | 60.7% | |
| No | 41.2% |