Development and validation of a risk assessment model for fear of falling in elderly stroke patients

Table 4 Receiver operating characteristic analysis results for risk factors of fear of falling in elderly stroke patients

Characteristic	AUC	Sensitivity	Specificity	Youden index	Cut-off value	95%CI
History of falls in the past 1 year	0.607	0.836	0.379	0.215	0.500	0.547-0.668
Walking aid	0.616	0.781	0.452	0.232	0.500	0.551-0.681
FRQ	0.654	0.534	0.686	0.220	4.500	0.575-0.734
NIHSS	0.670	0.959	0.363	0.322	11.500	0.597-0.743
BI	0.646	0.452	0.807	0.259	73.500	0.563-0.729
FTSST	0.604	0.562	0.637	0.199	17.550	0.523-0.684
FSBT	0.660	0.740	0.548	0.288	2.500	0.583-0.736
Total	0.880	0.849	0.750	0.599	0.678	0.834-0.927

FRQ: Fall risk questionnaire; AUC: Area under the curve; CI: Confidence interval; NIHSS: National Institute of Health Stroke Scale; BI: Barthel Index; FTSST: Five-Times Sit-to-Stand Test; FSBT: Four-Stage Balance Test.