Table 1. Comparison of OUTSMART November 2016—March 2017 RSV positive tests with RSV in NEDS and NIS November 2013-March 2014 by age, gender and region.

		OUTSMART		NEDSa,c		NISb,c
		N	%	N	%	N	%
Age	<1 year	504	48.4%	66,982	59.7%	39,130	57.8%
	1–2 year	287	27.6%	31,628	28.2%	15,070	22.3%
	3–5 year	74	7.1%	6,293	5.6%	3,750	5.5%
	6–59 year	90	8.6%	2,958	2.6%	4,195	6.2%
	60+ year	86	8.3%	4,352	3.9%	5,545	8.2%
	All	1,041	100.0%	112,213	100.0%	67,690	100.0%
Gender	Male	553	53.1%	60,449	53.8%	37,030	54.6%
	Female	488	46.9%	51,841	46.2%	30,830	45.4%
	All	1,041	100.0%	112,290	100.0%	67,860	100.0%
Region	Mid-West	241	23.2%	34,258	30.5%	15,800	23.3%
	North East	219	21.0%	19,509	17.4%	13,005	19.2%
	South	283	27.2%	38,611	34.4%	25,640	37.8%
	West	263	25.3%	19,912	17.7%	13,415	19.8%
	PR	35	3.4%	-	-	-	-
	Total	1,041	100.0%	112,290	100.0%	67,860	100.0%

^aNEDS: National Emergency Room Sample—Approx. 20% stratified sample of U.S. emergency room visits

^bNIS: National Inpatient Sample—Approx. 20% stratified sample of U.S. hospital discharges

^cRSV identified by ICD-9 codes 480.1, 466.11, 079.6 in NEDS and NIS