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Volume 19, Number 1—January 2013

CME ACTIVITY - Research

Staphylococcal Infections in Children, California, USA, 1985–2009

Kathleen GutierrezComments to Author , Meira S. Halpern, Clea Sarnquist, Shila Soni1, Anna Chen Arroyo, and Yvonne Maldonado
Author affiliations: Author affiliations: Stanford University School of Medicine, Stanford, California, USA

Main Article

Table 1

Incidence of and length of stay for hospitalized children with staphylococcal infections, California, USA, 1985–2009*

Sociodemographic variable and infection category % Total population of children, N = 140,265 Incidence of children hospitalized among
LOS, d, median (IQR) % Children who died†
General population, per 100,000 children Hospitalized children, per 1,000 children
Overall
100
62
14
7 (4–21)
2.5
Sex

M

57 69 15 7 (4–21) 2.5

F


43
56
14
7 (4–21)
2.6
Race

White

37 60 13 7 (3–18) 2.3

Black

10 88 16 8 (4–25) 2.9

Hispanic

42 63 15 7 (4–21) 2.4

Asian


6
40
13
7 (4–21)
2.9
Age at admission

<30 d (neonates)

25 452‡ 8 28 (7–69) 4.5

31–91 d

6 21 7 (4–17) 3.2

92–365 d

12 21 6 (3–13) 2.3

1–2 y

15 83 22 5 (3–10) 1.5

3–5 y

9 34 17 6 (3–13) 1.5

6–9 y

9 26 17 6 (3–13) 1.5

10–13 y

10 28 19 7 (4–14) 1.6

14–17 y


14
40
16
6 (3–14)
2.0
Expected source of payment

Private insurance

41 NA 12 7 (3–20) 2.4

Other§


59
NA
16
8 (4–21)
2.6
Staphylococcal infection category

Uncomplicated¶

72 45 10 6 (3–14) 1.3

Pneumonia only

6 4 1 14 (7–37) 5.7

Septicemia only

20 12 3 14 (6–45) 5.5

Complicated#

2 1 <0.5 38 (16–92) 7.3

*LOS, length of stay; IQR, interquartile range; NA, not applicable.
†For differences >0.2% in the proportion of children that died, p<0.0001 (χ2 test); p = 0.04 for the differences in the proportion of deaths for Hispanic vs. White children.
‡Combined value for all children <1 year of age.
§Medi-Cal, Medicare, other government sources, charity, and none.
¶No code for septicemia or pneumonia identified.
#>2 staphylococcal codes identified, including >1 code for septicemia or pneumonia.

Main Article

1Current affiliation: Foodia, San Francisco, California, USA.

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