Characteristics and outcomes of non-transferred and transferred patients from single center
| Variable | Directly admitted (n=62) | Transferred (n=78) | Total (n=140) | p Value |
|---|---|---|---|---|
| Age, Mean (SD) | 67.0 (12.9) | 65.2 (14.6) | 66.0 (13.9) | |
| Range | (32–89) | (22–88) | (22–89) | 0.447 |
| Gender, N (%) | ||||
| Male | 32 (51.6) | 39 (50.0) | 71 (50.7) | |
| Female | 30 (48.4) | 39 (50.0) | 69 (49.3) | 0.850 |
| NIHSS score | 17.8 (5.8) | 18.5 (5.5) | 18.2 (5.6) | |
| Range | (2–30) | (7–38) | (2–38) | 0.472 |
| Location of occlusion | ||||
| ICA | 17 (27.4) | 18 (23.1) | 35 (25.0) | |
| M1 | 32 (51.6) | 52 (66.7) | 84 (60.0) | |
| M2 | 7 (11.3) | 2 (2.6) | 9 (6.4) | |
| Basilar | 6 (9.7) | 6 (7.7) | 12 (8.6) | 0.121 |
| Dominant hemisphere* | ||||
| No | 32 (57.1) | 32 (44.4) | 64 (50.0) | |
| Yes | 24 (42.9) | 40 (55.6) | 64 (50.0) | 0.154 |
| IV tPA | ||||
| No | 22 (35.5) | 36 (46.2) | 58 (41.4) | |
| Yes | 40 (64.5) | 42 (53.8) | 82 (58.6) | 0.203 |
| ASPECTS | 9.2 (1.0) | 8.8 (1.2) | 9.0 (1.1) | 0.055 |
| ASPECTS <9 | ||||
| No | 50 (80.6) | 47 (60.3) | 97 (69.3) | |
| Yes | 12 (19.4) | 31 (39.7) | 43 (30.7) | 0.008 |
| Time to intervention (min) | 277.4 (172.8) | 420.4 (220.3) | 357.2 (212.2) | |
| Range | (83–1258) | (100–1187) | (83–1258) | <0.001 |
| Time to intervention (min)† | 217.6 (76.8) | 316.4 (110.5) | 269.5 (107.6) | |
| Range | (83–461) | (100–750) | (83–750) | <0.001 |
| TICI recanalization grade | ||||
| 0 | 3 (4.8) | 6 (7.7) | 9 (6.4) | |
| 1 | 5 (8.1) | 3 (3.8) | 8 (5.7) | |
| 2a | 10 (16.1) | 10 (12.8) | 20 (14.3) | |
| 2b | 23 (37.1) | 35 (44.9) | 58 (41.4) | |
| 3 | 21 (33.9) | 24 (30.8) | 45 (32.1) | 0.665 |
| Intracerebral hemorrhage | ||||
| No | 60 (96.8) | 70 (89.7) | 130 (92.9) | |
| Yes | 2 (3.2) | 8 (10.3) | 10 (7.1) | 0.109 |
| Death during admission | ||||
| No | 54 (87.1) | 63 (80.8) | 117 (83.6) | |
| Yes | 8 (12.9) | 15 (19.2) | 23 (16.4) | 0.316 |
| Discharge to home | ||||
| No | 37 (68.5) | 46 (73.0) | 83 (70.9) | |
| Yes | 17 (31.5) | 17 (27.0) | 34 (29.1) | 0.593 |
| 90-day mRS >2‡ | ||||
| No | 23 (38.3) | 26 (33.8) | 49 (35.8) | |
| Yes | 37 (61.7) | 51 (66.2) | 88 (64.2) | 0.580 |
Significant p values are shown in bold.
*Patients with vertebrobasilar thrombosis excluded.
†Patients with unknown time of onset excluded (n=41/140).
‡Information unavailable for 3/140 patients.
ASPECTS, Alberta Stroke Program Early CT Score; ICA, internal carotid artery; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Infarction; tPA, tissue plasminogen activator.