The clinical value analysis of three kinds of assessment scale in screening emergency stroke

Objective To explore the clinical value of face arm speech test (FAST) , Los Angeles prehospital stroke screen (LAPSS) and recognition of stroke in the emergency room scale (ROSIER) in screening emergency stroke. Methods The comprehensive diagnosis of clinical characteristics, detection of imaging and laboratory was used as the gold standard. The FAST, LAPSS and ROSIER were used to evaluate the suspected stroke patients. Meanwhile, the diagnostic values of three kinds of assessment scale were compared with each other as well as the gold standard. Results In 127 suspected stroke patients, 86 cases were diagnosed as stroke, and 41 cases were diagnosed non-stroke. Compared with the gold standard, the sensitivity, specificity and accuracy of FAST were 83.7%, 73.2% and 80.3%. The sensitivity, specificity and accuracy of LAPSS were 77.9%, 82.9% and 79.5%. The sensitivity, specificity and accuracy of ROSIER were 86.0%, 80.5% and 84.3%. No significance was found in the LAPSS and ROSIER compared with FAST (P>0.05) . Meanwhile, the accuracy of FAST, LAPSS and ROSIER were no statistical significance compared with gold standard (P>0.05) . Conclusions FAST, LAPSS and ROSIER can effectively screen suspected stoke patients who are conscious and whose value of Glasgow coma score are more than 8 scores. However, each scale has its advantage. ROSIER is the highest sensitivity and accuracy among them, but LAPSS can more effectively identify false-positive patients. Key words: Cerebrovascular accident; Mass screening; Assessment scale