Table 6.

Criterion values and coordinates of the receiver operating characteristic curve in the FallSA fall risk score.

Criterion	Sna	Spb	+LRc	–LRd	PPVe	NPVf
≥2	100	0	1	—g	14.5	—
>2	95.45	20.36	1.20	0.22	16.9	96.3
>3	95.45	25.26	1.28	0.18	17.8	97.0
>4	82.35	54.90	1.91	0.25	24.6	95.9
>5h	81.82	63.92	2.27	0.28	27.8	95.4
>6	65.15	81.70	3.56	0.43	37.7	93.2
>7	48.48	91.75	5.88	0.56	50.0	91.3
>8	33.33	95.62	7.61	0.70	56.4	89.4
>9	6.06	99.23	7.84	0.95	57.1	86.1
>10	4.55	99.48	8.82	0.96	60.0	86.0
>11	0	100	—	1	—	85.5

^aSn: sensitivity.

^bSp: specificity.

^cLR+: positive likelihood ratio.

^dLR–: negative likelihood ratio.

^ePPV: positive predictive value.

^fNPV: negative predictive value.

^gNot applicable.

^hCutoff score.