Table 3. Pediatric Modified Rankin Scale (mRS) Scores at Final Available Follow-up.
| Outcome | No. (%) | OR (95% CI) | P valuea | |
|---|---|---|---|---|
| Thrombectomy group (n = 26) | Control group (n = 26) | |||
| Pediatric mRS score at final follow-up | ||||
| 0 | 7 (26.9) | 1 (3.8) | 3.65 (1.25-10.68) | .02 |
| 1 | 2 (7.7) | 3 (11.5) | ||
| 2 | 13 (50.0) | 11 (42.3) | ||
| 3 | 3 (11.5) | 9 (34.6) | ||
| 4 | 0 | 1 (3.8) | ||
| 5 | 0 | 0 | ||
| 6 | 1 (3.8) | 1 (3.8) | ||
| 0-2 | 22 (84.6) | 15 (57.7) | NA | NA |
| 3-6 | 4 (15.4) | 11 (42.3) | NA | NA |
| PSOM score at final follow-up | ||||
| 0 | 7 (26.9) | 1 (3.8) | 4.33 (1.56-12.01) | .005 |
| 0.5 | 2 (7.7) | 3 (11.5) | ||
| 1.0-2.5 | 13 (50.0) | 11 (42.3) | ||
| 3.0-5.0 | 3 (11.5) | 9 (34.6) | ||
| 6.0-7.0 | 0 | 1 (3.8) | ||
| 8.0-9.0 | 0 | 0 | ||
| 10.0 | 1 (3.8) | 1 (3.8) | ||
| Timing of final follow-up poststroke, mean (SD), mo | 19.7 (15.7) | 46.4 (29.0) | NA | <.001 |
| Secondary safety outcomes | ||||
| Craniectomy | 5 (19.2) | 6 (23.1) | NA | .73 |
| Major access site complicationsb | 2 (7.7) | 0 | NA | .15 |
Abbreviations: NA, not applicable; OR, odds ratio; PSOM, Pediatric Stroke Outcome Measure.
a
P values calculated using ordinal linear regression, χ2, or t tests, as appropriate.
b
Major access site complications were defined as a complication arising from the arterial access site requiring blood transfusion, surgery, or endovascular treatment. In the thrombectomy arm, 1 patient had a retroperitoneal hemorrhage requiring blood transfusion and placement of a covered stent. The second patient developed a delayed common femoral artery pseudoaneurysm while taking anticoagulation, successfully treated with percutaneous thrombin injection.