Annual surgeon volume (per 10 additional cases/year) |
0.94 |
0.85, 1.05 |
0.259 |
Early career surgeon (vs. late) |
0.99 |
0.71, 1.38 |
0.971 |
Surgeon Specialization (vs. General Surgeon) |
|
|
Surgical Oncologist |
0.75 |
0.43, 1.29 |
0.3 |
Transplant Surgeon |
1.07 |
0.6, 1.92 |
0.816 |
Patient Age (vs. 18-40 years) |
|
|
|
41-50 years |
1.77 |
0.78, 4.02 |
0.172 |
51-60 years |
1.83 |
0.85, 3.92 |
0.122 |
61-70 years |
2.65 |
1.24, 5.63 |
0.012 |
71-80 years |
3.13 |
1.41, 6.92 |
0.005 |
81-90 years |
5.51 |
2.33,13.01 |
<0.001
|
>90 years |
16.2 |
2.78, 94.1 |
0.002 |
Female (vs. male) |
0.71 |
0.54, 0.92 |
0.011 |
Race (vs. white) |
|
|
|
Black |
0.97 |
0.59, 1.58 |
0.891 |
Native American |
1.8 |
0.27, 11.9 |
0.543 |
Asian |
0.98 |
0.6, 1.6 |
0.941 |
Other/Unknown |
1.14 |
0.77, 1.69 |
0.527 |
Hispanic (vs. non-hispanic) |
1.13 |
0.67, 1.88 |
0.652 |
Charlson Comorbidity Index ≥3 (vs. CCI <3) |
1.43 |
0.95, 2.16 |
0.088 |
Insurer (vs. private) |
|
|
|
Medicare |
1.78 |
1.24, 2.54 |
0.002 |
Medicaid |
1.25 |
0.79, 2.0 |
0.342 |
Self-Pay |
1.32 |
0.48, 3.62 |
0.584 |
Year (2001–14 vs. 2000) |
0.94 |
0.91, 0.98 |
0.001 |
Primary tumor (vs. other indication) |
2.21 |
1.66, 2.95 |
<0.001
|
Necrotic liver (vs. non-necrotic) |
22.96 |
15.69, 33.6 |
<0.001
|
Biliary reconstruction (vs. no reconstruction) |
2.35 |
1.65, 3.35 |
<0.001
|
Lobectomy (vs. wedge) |
1.76 |
1.35, 2.3 |
<0.001
|