Table 1.
Demographics of Overall Cohort
| Variable |
Total (N=1 579 657) |
Screened and AAA positive (N=56 899) | Screened and AAA negative (N=777 392) |
Not screened (N=745 366) |
P value |
|---|---|---|---|---|---|
| Eligible age, y | |||||
| Mean±SD | 67.22±2.88 | 67.04±2.50 | 66.69±2.29 | 67.79±3.32 | <0.001 |
| Race | |||||
| White | 1 188 199 (75.2) | 44 022 (77.4) | 584 404 (75.2) | 559 773 (75.1) | <0.001 |
| Black | 141 008 (8.9) | 3434 (6.0) | 76 641 (9.9) | 60 933 (8.2) | |
| Asian/PI/AM IND | 32 179 (2.0) | 885 (1.6) | 14 917 (1.9) | 16 377 (2.2) | |
| Declined to answer | 41 190 (2.6) | 1470 (2.6) | 21 319 (2.7) | 18 401 (2.5) | |
| Unknown/missing | 177 081 (11.2) | 7088 (12.5) | 80 111 (10.3) | 89 882 (12.1) | |
| Ethnicity | |||||
| Not Hispanic or Latino | 1 368 755 (86.6) | 49 406 (86.8) | 679 503 (87.4) | 639 846 (85.8) | <0.001 |
| Hispanic or Latino | 50 506 (3.2) | 953 (1.7) | 24 121 (3.1) | 25 432 (3.4) | |
| Declined to answer | 26 999 (1.7) | 1047 (1.8) | 13 874 (1.8) | 12 078 (1.6) | |
| Unknown/missing | 133 397 (8.4) | 5493 (9.7) | 59 894 (7.7) | 68 010 (9.1) | |
| Marriage | |||||
| Married | 976 694 (61.8) | 36 579 (64.3) | 476 587 (61.3) | 463 528 (62.2) | <0.001 |
| Others | 587 574 (37.2) | 19 807 (34.8) | 294 614 (37.9) | 273 153 (36.6) | |
| Unknown/missing | 15 389 (1.0) | 513 (0.9) | 6191 (0.8) | 8685 (1.2) | |
| Charlson comorbidity score | |||||
| Mean±SD | 0.48±1.10 | 0.58±1.15 | 0.63±1.28 | 0.32±0.84 | <0.001 |
| Time of eligibility, y | |||||
| Mean±SD | 5.00±2.82 | 6.04±2.69 | 5.81±2.72 | 4.07±2.64 | <0.001 |
Data are given as number (percentage), unless otherwise indicated. AAA indicates abdominal aortic aneurysm; AM IND, American Indian or Alaska Native; and PI, Native Hawaiian or other Pacific Islander.