Table 3:

ROC curve analysis

Criteriona	Sensitivity	95% CI	Specificity	95% CI	+LR	−LR
≥ 0	100.00	90.9–100.0	0.00	0.0–3.6	1.00
>0	46.15	30.1–62.8	81.37	72.4–88.4	2.48	0.66
>1	46.15	30.1–62.8	82.35	73.5–89.2	2.62	0.65
>2	33.33	19.1–50.2	84.31	75.8–90.8	2.12	0.79
>4	33.33	19.1–50.2	89.22	81.5–94.5	3.09	0.75
>5	25.64	13.1–42.1	90.20	82.7–95.2	2.62	0.82
>6	23.08	11.2–39.3	93.14	86.4–97.2	3.36	0.83
>7	20.51	9.3–36.5	93.14	86.4–97.2	2.99	0.85
>8	17.95	7.6–33.5	98.04	93.1–99.7	9.15	0.84
>9	15.38	5.9–30.5	98.04	93.1–99.7	7.85	0.86
>11	15.38	5.9–30.5	99.02	94.6–99.8	15.69	0.85
>15	12.82	4.3–27.4	100.00	96.4–100.0		0.87
>20	0.00	0.0–9.1	100.00	96.4–100.0		1.00

Note:—Cl indicates confidence interval; LR, likelihood ratio.

^aNumber of cerebral microbleeds.