Table 2.

Comparison of Parental Report of Excessive Leg Movements in Sleep with PLMS Index Measured on PSG

		PLMS Index ≥ 5
		Yes	No
Parental	Yes	5	45	50
Report	No	5	46	51
		10	91	101

Sensitivity = 50% PPV = 10%

Specificity = 51% NPV = 90%

LR⁺ = 1.02

PLMS, periodic limb movements of sleep