. Author manuscript; available in PMC: 2022 Feb 7.

Published in final edited form as: Am J Emerg Med. 2018 Jun 2;37(3):421–426. doi: 10.1016/j.ajem.2018.06.002

Table 3.

UNFR CO poisoning ED visits, United States, 2007–2013, NEDS database.

	Demographics	N	(%)	Crude annual rate^a	Age-adjusted annual rate^a	Age-adjusted annual 95% confidence interval^a
	Demographics	N	(%)	Crude annual rate^a	Age-adjusted annual rate^a	(Lower)	(Upper)
Sex	Male	49,607	48.72	46.63	47.36	46.95	47.78
Sex	Female	52,218	51.28	47.51	49.26	48.84	49.68
Age (years)^b	≤14	22,848	19.75	53.48	-	52.78	54.17
	15–24	15,415	14.12	50.46	-	49.66	51.26
	25–44	33,034	26.72	57.17	-	56.55	57.78
	45–64	21,932	26.19	38.72	-	38.20	39.23
	≥65	8618	13.22	30.14	-	29.50	30.78
Region of hospital	Northeast	34,579	33.95	89.27	92.30	91.33	93.28
	Midwest	31,732	31.16	67.72	69.61	68.84	70.37
	South	22,996	22.58	28.63	29.52	29.14	29.90
	West	12,539	12.31	24.87	20.72	20.35	21.08
Mortality	Discharged alive	100,669	99.81	46.54	47.71	47.42	48.01
	Died in ED	101	0.10	0.05	1.03	0.84	1.24
	Died in hospital	89	0.09	0.04	1.03	0.81	1.24
	Total	101,847	100	47.09	48.26	47.96	48.55

Rates per million persons.

Un-adjusted age specific rates.