Characteristic Univariable Multivariable
N HR1 95% CI1 p-value HR1 95% CI1 p-value
Treatment Groups 2,330
Neoadjuvant Multiagent Chemotherapy — — — —
Postop Multiagent Chemotherapy 1.83 1.65, 2.03 <0.001 1.55 1.28, 1.89 <0.001
Race 2,330
Black — — — —
Other 0.74 0.54, 1.00 0.052 0.81 0.50, 1.31 0.4
White 0.94 0.77, 1.14 0.5 0.95 0.70, 1.29 0.8
Type of Insurance 2,297
Medicaid — — — —
Medicare 1.03 0.81, 1.32 0.8 1.02 0.71, 1.46 >0.9
Not Insured 1.28 0.83, 1.95 0.3 1.67 0.79, 3.53 0.2
Private Insurance/Managed Care/Goverment 0.93 0.73, 1.18 0.5 0.89 0.62, 1.27 0.5
Income 2,321
< $38,000 — — — —
>=$63,000 0.80 0.68, 0.94 0.006 0.68 0.50, 0.93 0.016
$38,000-$47,999 0.83 0.69, 0.98 0.033 0.83 0.62, 1.11 0.2
$48,000-$62,999 0.82 0.70, 0.97 0.023 0.76 0.57, 1.02 0.070
No High School Degree 2,322
<7.0% — — — —
>=21.0% 1.07 0.89, 1.27 0.5 0.82 0.58, 1.16 0.3
13.0-20.9% 0.99 0.87, 1.14 >0.9 0.86 0.66, 1.13 0.3
7.0-12.9% 0.95 0.85, 1.07 0.4 0.89 0.72, 1.09 0.3
TNM Clinical T 2,323
c0 — — — —
c1 1.49 0.20, 10.9 0.7 1.19 0.16, 9.02 0.9
c2 1.46 0.20, 10.4 0.7 1.49 0.21, 10.9 0.7
c3 1.03 0.15, 7.35 >0.9 1.39 0.19, 10.1 0.7
c4 1.04 0.15, 7.38 >0.9 1.74 0.24, 12.7 0.6
cX 1.64 0.23, 11.7 0.6
TNM Clinical N 2,323
c0 — — — —
c1 1.01 0.91, 1.13 0.8 1.09 0.92, 1.29 0.3
cX 1.45 1.25, 1.69 <0.001
Clincial Downstaging 1,653
No — — — —
Yes 0.64 0.57, 0.73 <0.001 0.80 0.64, 0.99 0.037
Surgery Type 2,196
Pancreatectomy, NOS — — — —
Partial pancreatectomy, distal 0.68 0.43, 1.07 0.10 0.73 0.33, 1.59 0.4
Total 0.73 0.47, 1.15 0.2 0.82 0.38, 1.79 0.6
Whipple 0.68 0.44, 1.06 0.086 0.74 0.35, 1.59 0.4
Tumor Grade 1,385
Moderately differentiated — — — —
Poorly differentiated 1.31 1.15, 1.49 <0.001 1.32 1.11, 1.57 0.001
Well differentiated, differentiated 0.80 0.66, 0.98 0.028 0.88 0.68, 1.12 0.3

1 HR = Hazard Ratio, CI = Confidence Interval