Table 2 The internal and external validation performances of the existing stroke prediction models
ATRIA | Framingham | CHADS2 | CHA2DS2VASc | Q-Stroke | |
|---|---|---|---|---|---|
Internal c-statistic | 0.72 | 0.66 | 0.82 | 0.61 | 0.65 |
External c-statistic | |||||
UK Electronic Medical Records (EMR) 2015 [13] | 0.7 (0.69–0.71) | – | 0.68 (0.67–0.69) | 0.68 (0.67–0.69) | – |
Swedish EMR 2016 [14] | 0.71 (0.70–0.71) | – | 0.69 (0.69–0.70) | 0.69 (0.69–0.70) | – |
Taiwan 2016 [15] | – | – | 0.66 | 0.70 | – |
New Zealand, Russia and the Netherlands 2014 [16] | – | 0.70 (0.68–0.73) | – | – | 0.71 (0.69–0.73) |
UK EMR 2010 [17] | – | 0.65 (0.63–0.68) | 0.66 (0.64–0.68) | 0.67 (0.65–0.69) | – |