Review Article
The ABCD and ABCD2 Scores and the Risk of Stroke following a TIA: A Narrative Review
| Population year location/type | (Total Number) | Stroke risk | % of all strokes in 2 days and 7 days out of 90 days |
| Johnston et al. 2000 [9] | 1707 | 2-day risk = 83 | 2 daysâ46% | USA | 7-day risk = 103 | 7 daysâ57% | ED based | 90-day risk = 180 | |
| Johnston et al. 2007 [16] | 1069 | 2-day risk = 51 | 2 daysâ48% | USA | 7-day risk = 71 | 7 daysâ67% | Outpatient | 90-day risk = 106 | |
| Johnston 2007 [16] | 962 | 2-day risk = 16 | 2 daysâ29% | USA | 7-day risk = 29 | 7 daysâ52% | ED based | 90-day risk = 56 | |
| OCSP 1986 [10] | 203 | 2-day risk = 9 | 2 daysâ31% | Population | 7-day risk = 17 | 7 daysâ59% | UK | 90-day risk = 29 | |
| OXVASC 2004 [10] | 188 | 2-day risk = 13 | 2 daysâ39% | Population | 7-day risk = 20 | 7 daysâ61% | UK | 90-day risk = 33 | |
| OXFORD 2005 [10] | 315 | 2-day risk = 9 | 2 daysâ41% | Outpatient Clinic, UK | 7-day risk = 17 | 7 daysâ77% | | 90-day risk = 22 | |
| Cucchiara et al. 2007 [38] | 167 | 2-day risk = 4 | 2 daysâ80% | Dedicated Unit | 7-day risk = 4 | 7 daysâ80% | USA | 90-day risk = 5 | |
| Tsivgoulis et al. 2004 [21] | 226 | 2-day risk = na | 2 daysâna | ED | 7-day risk = 18 | 7 daysâ78 % | Greece | 90-day risk = 23 | |
| Bray et al. 2004 [33] | 98 | 2-day risk = na | 2 daysâna | ED | 7-day risk = 4 | 7 daysâ57% | Australia | 90-day risk = 7 | |
| Calvet et al. 2007 [24] | 343 | 2-day risk = 4 | 2 daysâ40% | Dedicated Unit | 7-day risk = 5 | 7 daysâ50% | France | 90-day risk = 10 | |
| Purroy et al. 2005 [19] | 204 | 2-day risk = 2 | 2 daysâ33% | ED | 7-day risk = 3 | 7 daysâ50% | Spain | 90-day risk = 6 | |
| Asimos et al. 2008 [25] | 1054 | 2-day risk = na | 2 daysâna | ED | 7-day risk = 69 | 7 daysâna | USA | 90-day risk = na | |
| Fothergill et al. 1994 [23] | 284 | 2-day risk = na | 2 daysâna | Population based | 7-day risk = 36 | 7 daysâna | USA | 90-day risk = na | |
| Mlynash et al. [39] 2005 | 99 | 2-day risk = 0 | 2 daysâ0% | USA | 7-day risk = 1 | 7 daysâ100% | Dedicated | 90-day risk = 1 | | Unit | | |
| Ay et al. [40] 2006 | 586 | 2-day risk = 15 | 2 daysâna | USA | 7-day risk = 28 | 7 daysâna | Dedicated Unit | 90-day risk = na | |
| EXPRESS 2007 | 160 | 2-day risk = 1 | 2 daysâ100% | UK | 7-day risk = 1 | 7 daysâ100% | Dedicated Unit | 90-day risk = 1 | |
| Intervention | 1466 | | | SOS-TIA 2005 | 2-day risk = 2 | 2 daysâ12% | France | 7-day risk = 5 | 7 daysâ29% | Dedicated Unit | 90-day risk = 17 | | Intervention | | | |
| Sciolla and Melis[20] | 274 | 2-day risk = 7 | 2 daysâ47% | 2006 | 7-day risk = 10 | 7 daysâ67% | Italy | 90-day risk = 15 | | ED | | | |
| Coutts et al. [41] | 111 | 2-day risk = 2 | 2 daysâ33% | 2006 | 7-day risk = 4 | 7 daysâ67% | Canada | 90-day risk = 6 | | ED | 292 | | |
| Sheehan et al. [42] | 2-day risk = 3 | 2 daysâ11% | 2007 | 7-day risk = 11 | 7 daysâ39% | Ireland | 90-day risk = 28 | | Population | | |
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