Table 2.

Predictive value of the American Academy of Neurology (AAN) guideline

	TP, N	FP, N	TN, N	FN, N	p	FPR, % (95% CI)	Sensitivity, % (95% CI)
Discharge	111	2	22	91	<0.001	8 (1–26)	55 (48–62)
6 months	108	5	28	85	<0.001	15 (7–31)	56 (49–63)

Abbreviations: TP = true positive; FP = false positive; TN = true negative; FN = false negative; FPR = false positive rate

P values are calculated for contingency tables.