American Academy of Pediatrics

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TABLE 1

Characteristics of the 11 Children With Septic Arthritis

Age, y	Sex	Synovial Fluid WBC Count, Cells/mm³	CRP, mg/dL^a	ESR, mm/h^b	C6 EIA Index Value^c	Synovial Fluid Gram-Stain Result	Synovial Fluid Culture Result	Blood Culture Result
2	Male	134 931	2.2	36	0.88	Negative	Kingella kingae	Negative
4	Male	105 090	10.9	102	0.29	Negative	Fusobacterium necrophorum	Negative
4	Male	56 133	106.7	47	0.18	Positive	S aureus	Negative
5	Male	82 070	0.60	56	0.10	Negative	Negative	S aureus
6	Female	131 000	4.1	18	0.25	Positive	Streptococcus pyogenes	Negative
7	Female	100 645	18.0	56	0.33	Positive	S aureus	Negative
7	Female	22 844	1.8	13	0.10	Negative	S aureus	Negative
7	Female	37 954	nd	nd	0.18	Negative	S aureus	Negative
11	Male	26 000	8.0	19	0.42	Positive	S aureus	Negative
12	Female	195 050	4.4	20	0.38	Positive	S aureus	S aureus
14	Male	176 660	5.3	42	0.33	Negative	S aureus	Negative

Age, y	Sex	Synovial Fluid WBC Count, Cells/mm³	CRP, mg/dL^a	ESR, mm/h^b	C6 EIA Index Value^c	Synovial Fluid Gram-Stain Result	Synovial Fluid Culture Result	Blood Culture Result
2	Male	134 931	2.2	36	0.88	Negative	Kingella kingae	Negative
4	Male	105 090	10.9	102	0.29	Negative	Fusobacterium necrophorum	Negative
4	Male	56 133	106.7	47	0.18	Positive	S aureus	Negative
5	Male	82 070	0.60	56	0.10	Negative	Negative	S aureus
6	Female	131 000	4.1	18	0.25	Positive	Streptococcus pyogenes	Negative
7	Female	100 645	18.0	56	0.33	Positive	S aureus	Negative
7	Female	22 844	1.8	13	0.10	Negative	S aureus	Negative
7	Female	37 954	nd	nd	0.18	Negative	S aureus	Negative
11	Male	26 000	8.0	19	0.42	Positive	S aureus	Negative
12	Female	195 050	4.4	20	0.38	Positive	S aureus	S aureus
14	Male	176 660	5.3	42	0.33	Negative	S aureus	Negative

nd, not done.

a

Normal was ≤0.5 mg/dL.

b

Normal was ≤20 mm/h.

c

Negative index value was <0.9.