Participant characteristics and risk factors by study group, median (IQR), or n (%)
| . | Control (n = 115) . | Subaneurysmal (n = 68) . | AAA . | ||
|---|---|---|---|---|---|
| Characteristic . | Slow growing (n = 84) . | Fast growing (n = 85) . | P* . | ||
| D-dimer, ng/mL | 398 (310-520) | 595 (439-862) | 812 (531-1367) | 998 (677-1681) | <.001 |
| D-dimer quartiles, ng/mL | <.001 | ||||
| <406 | 60 (53.6) | 14 (20.6) | 7 (8.3) | 5 (5.9) | |
| 406-594 | 30 (26.8) | 20 (29.4) | 23 (27.4) | 14 (16.5) | |
| 595-1006 | 16 (14.3) | 24 (35.3) | 22 (26.2) | 26 (30.6) | |
| >1006 | 6 (5.4) | 10 (14.7) | 32 (38.1) | 40 (47.1) | |
| D-dimer threshold, ng/mL | <.001 | ||||
| <500 | 79 (70.4) | 22 (32.4) | 17 (20.2) | 12 (14.1) | |
| ≥500 | 33 (29.5) | 46 (67.7) | 67 (79.8) | 73 (85.9) | |
| PF4 | 321 (142-624) | 536 (253-849) | 337 (175-637) | 431 (202-1046) | .003 |
| PF4 quartiles | .105 | ||||
| <182 ng/mL | 37 (32.5) | 10 (14.9) | 23 (28.1) | 17 (20.2) | |
| 182-372 ng/mL | 26 (22.8) | 17 (25.4) | 25 (30.5) | 19 (22.6) | |
| 373-739 ng/mL | 29 (25.4) | 18 (26.7) | 17 (20.7) | 23 (27.4) | |
| >739 ng/mL | 22 (19.3) | 22 (32.8) | 17 (20.7) | 25 (29.8) | |
| TAT μg/mL | 2.58 (2.15-3.01) | 3.38 (2.71-4.26) | 2.97 (2.40-4.42) | 4.09 (3.39-4.72) | <.001 |
| TAT quartiles, μg/mL | <.001 | ||||
| <2.48 | 52 (45.6) | 12 (17.9) | 24 (28.6) | 1 (1.2) | |
| 2.5-3.1 | 36 (31.6) | 12 (17.9) | 22 (26.2) | 17 (20.0) | |
| 3.1-4.2 | 22 (19.3) | 25 (37.3) | 15 (17.9) | 25 (29.4) | |
| >4.2 | 4 (3.5) | 18 (26.9) | 23 (27.4) | 42 (49.4) | |
| . | Control (n = 115) . | Subaneurysmal (n = 68) . | AAA . | ||
|---|---|---|---|---|---|
| Characteristic . | Slow growing (n = 84) . | Fast growing (n = 85) . | P* . | ||
| D-dimer, ng/mL | 398 (310-520) | 595 (439-862) | 812 (531-1367) | 998 (677-1681) | <.001 |
| D-dimer quartiles, ng/mL | <.001 | ||||
| <406 | 60 (53.6) | 14 (20.6) | 7 (8.3) | 5 (5.9) | |
| 406-594 | 30 (26.8) | 20 (29.4) | 23 (27.4) | 14 (16.5) | |
| 595-1006 | 16 (14.3) | 24 (35.3) | 22 (26.2) | 26 (30.6) | |
| >1006 | 6 (5.4) | 10 (14.7) | 32 (38.1) | 40 (47.1) | |
| D-dimer threshold, ng/mL | <.001 | ||||
| <500 | 79 (70.4) | 22 (32.4) | 17 (20.2) | 12 (14.1) | |
| ≥500 | 33 (29.5) | 46 (67.7) | 67 (79.8) | 73 (85.9) | |
| PF4 | 321 (142-624) | 536 (253-849) | 337 (175-637) | 431 (202-1046) | .003 |
| PF4 quartiles | .105 | ||||
| <182 ng/mL | 37 (32.5) | 10 (14.9) | 23 (28.1) | 17 (20.2) | |
| 182-372 ng/mL | 26 (22.8) | 17 (25.4) | 25 (30.5) | 19 (22.6) | |
| 373-739 ng/mL | 29 (25.4) | 18 (26.7) | 17 (20.7) | 23 (27.4) | |
| >739 ng/mL | 22 (19.3) | 22 (32.8) | 17 (20.7) | 25 (29.8) | |
| TAT μg/mL | 2.58 (2.15-3.01) | 3.38 (2.71-4.26) | 2.97 (2.40-4.42) | 4.09 (3.39-4.72) | <.001 |
| TAT quartiles, μg/mL | <.001 | ||||
| <2.48 | 52 (45.6) | 12 (17.9) | 24 (28.6) | 1 (1.2) | |
| 2.5-3.1 | 36 (31.6) | 12 (17.9) | 22 (26.2) | 17 (20.0) | |
| 3.1-4.2 | 22 (19.3) | 25 (37.3) | 15 (17.9) | 25 (29.4) | |
| >4.2 | 4 (3.5) | 18 (26.9) | 23 (27.4) | 42 (49.4) | |
P value from Kruskal-Wallis test for continuous variables and from χ2 test for categorical variables. Data are presented as median (IQR) for continuous variables, and categorical variables are given as counts (percentages).