Table 1.
Characteristics of patients with Staphylococcus aureus infection in 33 US children’s hospitals during the period from 1 January 2002 through 31 December 2007.
| Characteristic | MRSA infection (n = 29,309) |
MSSA infection (n = 28,485) |
All S. aureus infections (n = 57,794) |
|---|---|---|---|
| Age, median years (IQR) | 2.8 (0.9–11.0) | 3.5 (0.8–11.3) | 3.1 (0.8–11.2) |
| Female sex | 13,777 (47) | 12,714 (45) | 26,491 (46) |
| Race | |||
| White | 17,848 (61) | 18,531 (65) | 36,379 (63) |
| Black | 8416 (29) | 6198 (22) | 14,614 (25) |
| Other | 3045 (10) | 3756 (13) | 6801 (12) |
| Type of infection | |||
| Abscess and cellulitis | 13,740 (47) | 9540 (33) | 23,280 (40) |
| Osteomyelitis | 1757 (6) | 2185 (8) | 3942 (7) |
| Bacteremia | 1514 (5) | 2361 (8) | 3875 (7) |
| Pneumonia | 2856 (10) | 3135 (11) | 5991 (10) |
| Complex chronic conditionsa | |||
| None | 21,750 (74) | 18,671 (66) | 40,421 (70) |
| Any | 7559 (26) | 9814 (34) | 17,373 (30) |
| Cardiovascular | 2182 (7) | 3008 (11) | 5190 (9) |
| Gastrointestinal | 442 (2) | 585 (2) | 1027 (2) |
| Hematologic and/or immunologic | 760 (3) | 990 (4) | 1750 (3) |
| Malignant | 762 (3) | 1553 (5) | 2315 (4) |
| Metabolic | 408 (1) | 595 (2) | 1003 (2) |
| Neuromuscular | 2512 (9) | 2794 (10) | 5306 (9) |
| Renal | 320 (1) | 485 (2) | 805 (1) |
| Respiratory | 1766 (6) | 2225 (8) | 3991 (7) |
| LOS, median days (IQR) | 5 (3–12) | 6 (3–14) | 5 (3–13) |
| Outcome | |||
| Discharged home | 26,867 (92) | 25,000 (88) | 51,867 (90) |
| Died in hospital | 360 (1) | 683 (2) | 1043 (2) |
| Otherb | 2082 (7) | 2802 (10) | 4884 (9) |
NOTE. Data are no. (%) of patients, unless otherwise indicated. IQR, interquartile range; LOS, length of hospital stay; MRSA, methicillin-resistant S. aureus; MSSA, methicillin-susceptible S. aureus.
a
This classification system divides the International Classification of Diseases, Ninth Revision, Clinical Modification codes into 9 categories of cancerous and noncancerous conditions that require special health services.
b
Transferred to either short-term care, skilled nursing facility, intermediate care, or home health services or left against medical advice, or data were missing.