Table 1. Staphylococcus aureus and methicillin-resistant S. aureus (MRSA)–related hospital discharge diagnoses, by infection site and year, United States.

Discharge diagnosis	1999	2000	2001	2002	2003	2004	2005
All discharges	32,131,876	31,705,672	32,652,588	33,726,612	34,738,412	34,864,168	34,667,316
S. aureus septicemias	75,125	73,206	77,998	82,813	92,247	92,785	103,300
% MRSA	41	45	48	49	52	54	54
MRSA septicemias	31,044	33,251	37,381	40,197	47,745	50,238	56,248
S. aureus pneumonias	58,833	53,692	63,759	64,294	58,511	71,275	63,185
% MRSA	52	54	56	58	58	59	58
MRSA pneumonias	30,632	29,210	35,893	37,120	33,965	41,988	36,540
Other S. aureus infections	160,612	161,614	189,715	211,310	245,971	272,873	311,442
% MRSA	41	44	48	50	54	58	60
Other MRSA infections	65,361	71,048	90,163	106,174	132,154	158,211	185,415
Total S. aureus infections	294,570	288,512	331,472	358,417	396,729	436,933	477,927
Overall % MRSA	43	46	49	51	54	57	58
Total MRSA infections	127,036	133,510	163,437	183,491	213,864	250,438	278,203