Table 4.

(a) Estimated national annual costs for rotavirus hospitalizations in the United States, (b) Estimated national annual costs for emergency department (ED) visits in the United States.

(a) Hospitalizations
Season	Rate per 10,000	Number of hospitalizations	Median cost	Hospital costs (95% CI)	Mean cost	Hospital costs (95% CI)
2006	22.5 (19.2–25.7)	25,887	S3592	$92,981,170 ($79,343,932, $106,205,159)	$4159	$107,665,394 ($91,874,470, $122,977,806)
2007	21.6 (18.5–24.6)	24,852	$3565	$88,595,869 ($75,880,722, $100,900,851)	$4257	$105,794,258 ($90,610,823, $120,487,905)
2008	2.4 (1.0–4.1)	2761	$4297	$11,866,135 ($4944,223, $20,271,314)	$4651	$12,842,876 ($5,351,198, $21,939,913)
2009	10.1 (7.6–12.7)	11,621	$4311	$50,091,588 ($37,692,680, $62,986,453)	$5346	$62,123,373 ($46,746,300, $78,115,528)

(b) Emergency department visits
Season	Rate per 10,000	Number of ED visits	Median cost (95% CI)	ED costs	Mean cost (95% CI)	ED costs
2006	301.0	346,315	$543 ($379, $575)	$187,920,653	$586 ($452, $721)	$202,940,538
2007	281.0	323,304	$724 ($554, $823)	$234,105,557	$886 ($765–$1006)	$286,447,303
2008	44.2	50,854	$540 ($503, $873)	$27,469,886	$628 ($470, $786)	$31,936,448
2009	97.8	112,524	$827 ($672, $961)	$93,015,369	$992 ($834, $1150)	$111,623,394