Table 1.

Changes in the incidence of PD per 100,000 Utah children younger than 5 years, 1996 to 2009.

	Year	Incidence rate/100,000	% Change (95 % CI)	p value
All IPD	1996–2000	48.9	-	-
	2001–2004	31.5	−36% (−44%, −26%)	<.0001
	2005–2009	32.0	−34% (−42%, −25%)	<.0001
Uncomplicated Pneumonia	1996–2000	26.6	-	-
	2001–2004	11.7	−56% (−65%, −45%)	<.0001
	2005–2009	13.4	−50% (−58%, −39%)	<.0001
Complicated pneumonia and empyema	1996–2000	3.8	-	-
	2001–2004	7.4	95% (+31%, +189%)	0.0009
	2005–2009	7.0	85% (+27%, +170%)	0.001
Meningitis	1996–2000	4.9	-	-
	2001–2004	2.6	−47% (−67%, −14%)	0.01
	2005–2009	1.9	−62% (−76%, −38%)	<.0001
IPD Others	1996–2000	2.9	-	-
	2001–2004	2.1	−28% (−59%, +28%)	0.27
	2005–2009	1.8	−38% (−64%, +6%)	0.08
Bacteremia without focus	1996–2000	10.6	-	-
	2001–2004	7.8	−27% (−46%, −2%)	0.04
	2005–2009	8.0	−25% (−43%, −2%)	0.04