Clinical and healthcare resource use outcomes for the FPE and non-FPE groups
| Outcome | FPE (n=91) | Non-FPE (n=81) | P value* |
| Clinical outcomes | |||
| 90-Day mRS score (categorized into good and excellent functional outcomes)† | |||
| Good outcomes (mRS score 0–2), n (%) | 70 (80.46%) | 47 (61.04%) | <0.01 |
| Excellent outcomes (mRS score 0–1), n (%) | 55 (63.22%) | 36 (46.75%) | 0.03 |
| 90-Day mortality,‡ n (%) | 5 (5.68%) | 11 (13.75%) | 0.08 |
| sICH within 24 hours, n (%) | 2 (2.20%) | 4 (4.94%) | 0.42 |
| ENT, n (%) | 2 (2.20%) | 9 (11.11%) | 0.03 |
| Healthcare resource use outcomes | |||
| LOS | |||
| Total LOS, mean (IQR)§ | 6.10 (3.00–8.00) | 9.48 (3.00–11.00) | <0.01 |
| Standard bed days, mean (IQR)¶ | 3.05 (0.00–5.00) | 6.13 (1.00–8.00) | <0.01 |
| ICU days, mean (IQR)** | 3.39 (2.00–4.00) | 3.58 (2.00–4.00) | 0.70 |
*P values presented for the following tests: t-test or Wilcoxon rank-sum (Mann-Whitney) test for continuous variables and chi-square or Fisher’s exact test for categorical variables.
†Eight patients missing data for 90-day mRS score.
‡Four patients missing data for 90-day mortality.
§Represents the date of discharge minus date of admission to study hospital; seven patients missing data for LOS.
¶Represents the normal ward days; 10 patients missing data for standard bed days.
**Eight patients missing data for ICU days.
ENT, embolization into new territory; FPE, first-pass effect; ICU, intensive care unit; IQR, interquartile range; LOS, length of stay; mRS, modified Rankin Scale; NA, not applicable; sICH, symptomatic intracerebral hemorrhage.