Variable | AIS | Anterior Circulation n = 34 | Posterior Circulation n = 12 | Both Circulations n = 1 | |||||
---|---|---|---|---|---|---|---|---|---|
Demographics | N | n | % | n | % | n | % | n | % |
Age, mean | 47 | 7 | SD 5.2 | 6.3 | SD 5.2 | 9.5 | SD 5.1 | 3.6 | - |
Age < 2 years | 47 | 9 | 19 | 8 | 23 | 1 | 8 | - | - |
Male sex | 24 | 51 | 17 | 50 | 6 | 50 | 1 | 100 | |
Triage category* | |||||||||
1+2 | 47 | 12 | 25 | 9 | 26.5 | 3 | 25 | - | - |
3+4+5 | 47 | 35 | 74 | 25 | 73.5 | 9 | 75 | 1 | 100 |
Arrival by ambulance | 47 | 27 | 57 | 19 | 55 | 8 | 67 | - | - |
Complaints | |||||||||
Time presentation < 6 hrs | 47 | 15 | 32 | 14 | 41 | 1 | 8 | - | - |
Well week before | 47 | 41 | 87 | 29 | 85 | 11 | 92 | 1 | 100 |
Sudden onset | 47 | 39 | 83 | 31 | 91 | 8 | 67 | 1 | 100 |
Woke from sleep | 47 | 10 | 21 | 6 | 18 | 4 | 33 | - | - |
Worsening symptoms | 47 | 25 | 53 | 16 | 47 | 8 | 67 | 1 | 100 |
Arm weakness | 47 | 30 | 63 | 25 | 73 | 5 | 42 | - | - |
Leg weakness | 47 | 27 | 57 | 22 | 64 | 5 | 42 | - | - |
Face weakness | 47 | 29 | 62 | 24 | 71 | 5 | 42 | - | - |
Limb incoordination/ataxia | 45 | 11 | 23 | 7 | 21 | 4 | 33 | - | - |
Speech disturbances | 45 | 22 | 46 | 16 | 47 | 6 | 50 | - | - |
Visual disturbances | 47 | 7 | 14 | 1 | 3 | 6 | 50 | - | - |
Arm numbness | 47 | 3 | 6 | 2 | 6 | 1 | 8 | - | - |
Leg numbness | 47 | 2 | 4 | 1 | 3 | 1 | 8 | - | - |
Face numbness | 47 | 4 | 8 | 3 | 9 | 1 | 8.3 | - | - |
Vomits | 47 | 9 | 19 | 6 | 17 | 3 | 25 | - | - |
Headache | 45 | 22 | 46 | 12 | 35 | 9 | 75 | 1 | 100 |
Altered mental status | 47 | 9 | 19 | 6 | 17 | 2 | 17 | 1 | 100 |
Seizure | 47 | 8 | 17 | 6 | 17 | 2 | 17 | - | - |
No lateralizing symptoms** | 47 | 18 | 38 | 10 | 29 | 7 | 58 | 1 | 100 |
Neurological Examination | |||||||||
GCS** * | |||||||||
≥14 | 47 | 40 | 85 | 29 | 85 | 11 | 92 | - | - |
> 8- < 14 | 47 | 7 | 15 | 5 | 15 | 1 | 8 | 1 | 100 |
≤ 8 | 47 | - | - | - | - | - | - | - | - |
Arm weakness | 47 | 29 | 61 | 25 | 73 | 4 | 33 | - | - |
Leg weakness | 47 | 27 | 57 | 23 | 67 | 4 | 33 | - | - |
Face asymmetry | 47 | 33 | 70 | 28 | 82 | 5 | 42 | - | - |
Dysarthria | 44 | 15 | 34 | 11 | 32 | 4 | 33 | - | - |
Dysphasia | 44 | 6 | 14 | 6 | 17 | - | - | - | - |
Visual defect/eye movement abnormality | 37 | 7 | 19 | 3 | 9 | 4 | 33 | - | - |
Sensory loss | 47 | 12 | 25 | 10 | 29 | 2 | 17 | - | - |
Ataxia | 47 | 5 | 10 | 2 | 6 | 3 | 25 | - | - |