| Variable | N | Overall, N = 23,9031 | Treatment Groups for Patients with Vascular Involvement | Surgery, N = 5,4451 | p-value2 | |
|---|---|---|---|---|---|---|
| Medical Therapy, N = 8,7501 | No Treatment, N = 9,7081 | |||||
| Age | 23,903 | 69.57 (11.53) | 68.30 (10.85) | 73.50 (11.28) | 64.60 (10.62) | <0.001 |
| Sex | 23,903 | <0.001 | ||||
| Female | 12,515 (52%) | 4,527 (52%) | 5,271 (54%) | 2,717 (50%) | ||
| Male | 11,388 (48%) | 4,223 (48%) | 4,437 (46%) | 2,728 (50%) | ||
| Race | 23,903 | <0.001 | ||||
| Black | 2,910 (12%) | 1,217 (14%) | 1,224 (13%) | 469 (8.6%) | ||
| Other | 1,145 (4.8%) | 361 (4.1%) | 551 (5.7%) | 233 (4.3%) | ||
| White | 19,848 (83%) | 7,172 (82%) | 7,933 (82%) | 4,743 (87%) | ||
| Type of Insurance | 23,903 | <0.001 | ||||
| Medicaid | 1,270 (5.3%) | 508 (5.8%) | 505 (5.2%) | 257 (4.7%) | ||
| Medicare | 14,465 (61%) | 5,077 (58%) | 6,743 (69%) | 2,645 (49%) | ||
| Not Insured | 666 (2.8%) | 243 (2.8%) | 309 (3.2%) | 114 (2.1%) | ||
| Private Insurance/Managed Care/Goverment | 7,157 (30%) | 2,802 (32%) | 2,006 (21%) | 2,349 (43%) | ||
| Unknown | 345 (1.4%) | 120 (1.4%) | 145 (1.5%) | 80 (1.5%) | ||
| Regions | 23,903 | <0.001 | ||||
| Midwest | 6,387 (27%) | 2,527 (29%) | 2,361 (24%) | 1,499 (28%) | ||
| Northeast | 5,053 (21%) | 1,912 (22%) | 1,923 (20%) | 1,218 (22%) | ||
| South | 8,592 (36%) | 3,123 (36%) | 3,694 (38%) | 1,775 (33%) | ||
| Unknown | 139 (0.6%) | 41 (0.5%) | 26 (0.3%) | 72 (1.3%) | ||
| West | 3,732 (16%) | 1,147 (13%) | 1,704 (18%) | 881 (16%) | ||
| Income | 23,903 | <0.001 | ||||
| < $38,000 | 4,373 (18%) | 1,636 (19%) | 1,955 (20%) | 782 (14%) | ||
| >=$63,000 | 7,221 (30%) | 2,613 (30%) | 2,700 (28%) | 1,908 (35%) | ||
| $38,000-$47,999 | 5,823 (24%) | 2,078 (24%) | 2,518 (26%) | 1,227 (23%) | ||
| $48,000-$62,999 | 6,403 (27%) | 2,390 (27%) | 2,504 (26%) | 1,509 (28%) | ||
| Unknown | 83 (0.3%) | 33 (0.4%) | 31 (0.3%) | 19 (0.3%) | ||
| No High School Degree | 23,903 | <0.001 | ||||
| <7.0% | 5,711 (24%) | 2,062 (24%) | 2,132 (22%) | 1,517 (28%) | ||
| >=21.0% | 3,927 (16%) | 1,456 (17%) | 1,771 (18%) | 700 (13%) | ||
| 13.0-20.9% | 6,319 (26%) | 2,332 (27%) | 2,695 (28%) | 1,292 (24%) | ||
| 7.0-12.9% | 7,874 (33%) | 2,872 (33%) | 3,084 (32%) | 1,918 (35%) | ||
| Unknown | 72 (0.3%) | 28 (0.3%) | 26 (0.3%) | 18 (0.3%) | ||
| Population Density | 23,903 | 0.17 | ||||
| Metro | 19,156 (80%) | 6,980 (80%) | 7,783 (80%) | 4,393 (81%) | ||
| Rural | 534 (2.2%) | 225 (2.6%) | 201 (2.1%) | 108 (2.0%) | ||
| Unknown | 535 (2.2%) | 199 (2.3%) | 208 (2.1%) | 128 (2.4%) | ||
| Urban | 3,678 (15%) | 1,346 (15%) | 1,516 (16%) | 816 (15%) | ||
| Charlson-Deyo Disability Score | 23,903 | <0.001 | ||||
| >=3 | 663 (2.8%) | 162 (1.9%) | 393 (4.0%) | 108 (2.0%) | ||
| 0 | 15,727 (66%) | 5,956 (68%) | 6,089 (63%) | 3,682 (68%) | ||
| 1 | 5,959 (25%) | 2,107 (24%) | 2,499 (26%) | 1,353 (25%) | ||
| 2 | 1,554 (6.5%) | 525 (6.0%) | 727 (7.5%) | 302 (5.5%) | ||
| TNM Clinical T | 23,903 | <0.001 | ||||
| c0 | 22 (<0.1%) | 3 (<0.1%) | 10 (0.1%) | 9 (0.2%) | ||
| c1 | 190 (0.8%) | 19 (0.2%) | 18 (0.2%) | 153 (2.8%) | ||
| c2 | 924 (3.9%) | 147 (1.7%) | 135 (1.4%) | 642 (12%) | ||
| c3 | 9,050 (38%) | 2,783 (32%) | 3,853 (40%) | 2,414 (44%) | ||
| c4 | 11,284 (47%) | 5,311 (61%) | 4,853 (50%) | 1,120 (21%) | ||
| Unknown | 2,433 (10%) | 487 (5.6%) | 839 (8.6%) | 1,107 (20%) | ||
| TNM Clinical N | 23,903 | <0.001 | ||||
| c0 | 13,814 (58%) | 5,060 (58%) | 5,772 (59%) | 2,982 (55%) | ||
| c1 | 6,843 (29%) | 2,848 (33%) | 2,615 (27%) | 1,380 (25%) | ||
| Unknown | 3,246 (14%) | 842 (9.6%) | 1,321 (14%) | 1,083 (20%) | ||
| Surgery Type | 23,903 | <0.001 | ||||
| Pancreatectomy, NOS | 71 (0.3%) | 0 (0%) | 0 (0%) | 71 (1.3%) | ||
| Partial pancreatectomy, distal | 725 (3.0%) | 0 (0%) | 0 (0%) | 725 (13%) | ||
| Total | 685 (2.9%) | 0 (0%) | 0 (0%) | 685 (13%) | ||
| Unknown | 18,781 (79%) | 8,750 (100%) | 9,708 (100%) | 323 (5.9%) | ||
| Whipple | 3,641 (15%) | 0 (0%) | 0 (0%) | 3,641 (67%) | ||
| Tumor Grade | 23,903 | <0.001 | ||||
| Moderately differentiated | 3,469 (15%) | 804 (9.2%) | 758 (7.8%) | 1,907 (35%) | ||
| Poorly differentiated | 3,184 (13%) | 821 (9.4%) | 850 (8.8%) | 1,513 (28%) | ||
| Unknown | 15,993 (67%) | 6,760 (77%) | 7,722 (80%) | 1,511 (28%) | ||
| Well differentiated, differentiated | 1,257 (5.3%) | 365 (4.2%) | 378 (3.9%) | 514 (9.4%) | ||
|
1
Statistics presented: Mean (SD); n (%)
2
Statistical tests performed: Kruskal-Wallis test; chi-square test of independence
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