Table 1 Clinical Characteristics of 869 Children with Osteomyelitis (Acute and Chronic)

Gender

 Female

213

40.5

157

45.8

 Male

313

59.5

186

54.2

.12

Race

 African American

119

22.6

64

18.7

 Asian

12

2.3

4

1.2

 Asian/Pacific Islander

1

0.2

2

0.6

 Biracial

8

1.5

4

1.2

 Caucasian

324

61.6

233

67.9

 Hispanic

18

3.4

4

1.2

 Native American

4

0.8

10

2.9

 Other

28

5.3

15

4.4

 Unknown

12

2.4

7

2.1

.04

Age

 Median(IQR)

9.5

(4.0–13.0)

12.0

7.0–15.0

0.0004

Required Orthopedic Follow-up > 1 Year and < 2 Years (%)

25

4.8

48

14.0

 < .0001

Region

 Northeast

33

6.3

28

8.2

 Midwest

192

36.5

145

42.3

 South

266

50.6

139

40.5

 West

35

6.7

31

9.0

.03

Time of year

Of Diagnosis

 Spring

126

24.0

62

18.1

 Summer

103

19.6

66

19.2

 Fall

135

25.7

63

18.4

 Winter

162

30.8

152

44.3

.0003

Insurance Status

 Medicaid

171

32.5

113

32.9

 Private/HMO

154

29.3

108

31.5

 Govt/Military

34

6.5

17

5.0

 Self-pay

20

3.8

8

2.3

 Not stated

147

27.9

97

28.3

0.350

Pathogens Isolated^*

 MSSA

51

6

 MRSA

41

13

 S. aureus NOS

33

10

 Staphylococcus spp.

29

15

 S. pyogenes

7

2

 Salmonella spp.

3

0

 Pseudomonas spp.

7

3

 Serratia spp.

1

2

Culture growth:

 Blood culture

61

48.8

7

21.2

 Bodily fluid (e.g.synovial fluid, abscess)

5

4.0

3

9.1

 Wound/tissue culture (including bone/bone marrow)

55

44.0

20

60.6

 Other^a

4

3.2

3

9.1

0.238