Univariate analysis of risk factors for the return to the ED among patients with PE
| Variable . | No return to ED (n = 56), % . | Returned to ED (n= 40), % . | P . |
|---|---|---|---|
| Age (y) | 16 (14-17) | 16 (15-17.8) | .017 |
| Sex | .027 | ||
| Male | 28 (50) | 11 (28) | |
| Female | 28 (50) | 29 (73) | |
| BMI | 25.7 (20.4-33.0) | 28.2 (23.4-34.7) | .177 |
| History of clot | 3 (5) | 6 (15) | .154 |
| D-Dimer initial | 2.56 (1.09-4.88) | 1.93 (.54-3.74) | .322 |
| Risk level of initial PE | .486 | ||
| Low | 38 (79) | 25 (76) | |
| Intermediate | 8 (17) | 8 (24) | |
| High | 2 (4) | 0 (0) | |
| Thrombophilia | 6 (27) | 7 (26) | .915 |
| Initial treatment | .191 | ||
| Unfractionated heparin | 32 (57) | 20 (50) | |
| Enoxaparin | 22 (39) | 18 (45) | |
| DOAC | 0 (0) | 2 (5) | |
| None | 2 (4) | 0 (0) | |
| Discharge anticoagulation | .923 | ||
| Enoxaparin | 37 (69) | 26 (65) | |
| DOAC | 15 (28) | 13 (33) | |
| Warfarin | 2 (4) | 1 (3) | |
| Duration of anticoagulation | .420 | ||
| <3 mo | 2 (4) | 1 (3) | |
| 3-6 mo | 39 (81) | 26 (70) | |
| >6 mo | 7 (15) | 10 (27) |
| Variable . | No return to ED (n = 56), % . | Returned to ED (n= 40), % . | P . |
|---|---|---|---|
| Age (y) | 16 (14-17) | 16 (15-17.8) | .017 |
| Sex | .027 | ||
| Male | 28 (50) | 11 (28) | |
| Female | 28 (50) | 29 (73) | |
| BMI | 25.7 (20.4-33.0) | 28.2 (23.4-34.7) | .177 |
| History of clot | 3 (5) | 6 (15) | .154 |
| D-Dimer initial | 2.56 (1.09-4.88) | 1.93 (.54-3.74) | .322 |
| Risk level of initial PE | .486 | ||
| Low | 38 (79) | 25 (76) | |
| Intermediate | 8 (17) | 8 (24) | |
| High | 2 (4) | 0 (0) | |
| Thrombophilia | 6 (27) | 7 (26) | .915 |
| Initial treatment | .191 | ||
| Unfractionated heparin | 32 (57) | 20 (50) | |
| Enoxaparin | 22 (39) | 18 (45) | |
| DOAC | 0 (0) | 2 (5) | |
| None | 2 (4) | 0 (0) | |
| Discharge anticoagulation | .923 | ||
| Enoxaparin | 37 (69) | 26 (65) | |
| DOAC | 15 (28) | 13 (33) | |
| Warfarin | 2 (4) | 1 (3) | |
| Duration of anticoagulation | .420 | ||
| <3 mo | 2 (4) | 1 (3) | |
| 3-6 mo | 39 (81) | 26 (70) | |
| >6 mo | 7 (15) | 10 (27) |