Table 3.

Performance of Prehospital LAMS ≥ 4 in Identifying LVO and CSC-Appropriate Patients

	LVO Among All Cerebral Ischemia	CSC Among All Suspected Stroke Transports
Sensitivity	0.76	0.73
Specificity	0.65	0.71
Positive Predictive Value	0.79	0.84
Negative Predictive Value	0.61	0.56
Accuracy	0.72	0.72
Positive Likelihood Ratio	2.18	2.51
Negative Likelihood Ratio	0.37	0.38