Table 4.
Variables | Odds Ratio | 95% CI |
---|---|---|
Age-group
| ||
66–69 (referent) | 1.00 | … |
70–74 | 1.34 | (0.93–1.94) |
75–79 | 0.92 | (0.63–1.34) |
≥80 | 0.44 | (0.30–0.66) |
| ||
Gender
| ||
Male (referent) | 1.00 | … |
Female | 1.24 | (0.91–1.68) |
| ||
Race
| ||
White (referent) | 1.00 | … |
Black | 0.57 | (0.23–1.45) |
Hispanic | 0.73 | (0.33–1.61) |
Other | 0.34 | (0.14–0.85) |
| ||
Marital
| ||
Married (referent) | 1.00 | … |
Other | 0.82 | (0.62–1.08) |
| ||
Charlson Score
| ||
0 (referent) | 1.00 | … |
1 | 1.16 | (0.87–1.55) |
2 | 1.04 | (0.63–1.70) |
≥3 | 0.64 | (0.29–1.41) |
| ||
% Of Subjects in ZIP code ≥ 25 years of age with ≥ 4 years of college education
| ||
<15% (referent) | 1.00 | … |
15–25% | 0.95 | (0.63–1.43) |
25%–35% | 0.97 | (0.60–1.56) |
>35% | 1.08 | (0.66–1.79) |
| ||
Median ZIP code household income
| ||
<$35,000 (referent) | 1.00 | … |
$35,000–$45,000 | 0.82 | (0.52–1.30) |
$45,000–$55,000 | 1.03 | (0.64–1.66) |
>$55,000 | 1.15 | (0.68–1.95) |
| ||
Region
| ||
West (referent) | 1.00 | … |
Midwest | 1.28 | (0.81–2.02) |
South | 0.87 | (0.52–1.47) |
Northeast | 1.13 | (0.75–1.71) |
| ||
Year
| ||
1992–1997 (referent) | 1.00 | … |
1998–2002 | 1.55 | (1.17–2.05) |
| ||
Surgeon Volume
| ||
Low (<4) (referent) | 1.00 | … |
Medium (4–11) | 0.93 | (0.64–1.36) |
High (≥12) | 0.78 | (0.49–1.24) |
| ||
Hospital Volume
| ||
Low (≤10) (referent) | 1.00 | … |
Medium (11–25) | 0.94 | (0.65–1.35) |
High (>25) | 1.06 | (0.70–1.61) |
| ||
Institution Type
| ||
Non-Academic Non-Cancer Center (referent) | 1.00 | … |
Academic Non-Cancer Center | 1.39 | (0.95–2.03) |
Academic Cancer Center | 2.04 | (0.87–4.79) |
Unknown | 0.78 | (0.43–1.44) |
| ||
Grade
| ||
Poorly Differentiated (referent) | 1.00 | … |
Undifferentiated | 1.74 | (1.30–2.32) |
| ||
Stage
| ||
Ta (referent) | 1.00 | … |
Tis | 2.12 | (1.41–3.20) |
T1 | 1.56 | (1.19–2.04) |