Table 1.

Temporal trends in age-adjusted incidence rates of FBAO patients

Year	2000	2001	2002	2003	2004	2005	2006	2007	p for trend
All FBAO patients
Annual patients	252	299	293	309	319	296	301	285
Incidence	9.7	11.5	11.3	11.9	12.3	11.4	11.6	11.0
Age-adjusted incidence	9.5	10.1	9.8	10.6	10.9	9.8	9.6	9.5	0.690
OHCA when EMS arrived
Annual patients	46	53	68	48	61	58	73	59
Incidence	1.8	2.0	2.6	1.8	2.3	2.2	2.8	2.3
Age-adjusted incidence	1.1	1.3	1.5	1.1	1.4	1.5	1.8	1.4	0.120
Witnessed OHCA when EMS arrived
Annual patients	38	36	54	35	40	41	52	48
Incidence	1.5	1.4	2.1	1.3	1.5	1.6	2.0	1.8
Age-adjusted incidence	0.9	0.9	1.2	0.8	0.9	1.1	1.3	1.1	0.217

Data indicate age-adjusted annual incidence rates per 100,000 population per year.

Abbreviations: FBAO foreign body airway obstruction, OHCA out-of-hospital cardiac arrest, EMS emergency medical service.