TABLE 4

Laboratory and Radiographic Features of Children With fnbB+ and fnbB Acute S aureus Osteomyelitis

Clinical CharacteristicfnbB+ (n = 66)fnbB (n = 19)P
ESR at presentationNS
    n6318
    Mean ± SD, mm/h75.7 ± 28.368.1 ± 28.1
    Median (range), mm/h74 (4–140)69 (15–115)
Maximum ESR.03
    n6619
    Mean ± SD, mm/h97.1 ± 31.379.3 ± 31.4
    Median (range), mm/h106 (4–140)85 (15–140)
CRP level at presentationNS
    n5514
    Mean ± SD, mg/dL19.4 ± 15.813.6 ± 22.1
    Median (range), mg/dL16.4 (0.7–72.7)5.75 (1.1–79.4)
Maximum CRP levelNS
    n5917
    Mean ± SD, mg/dL21.0 ± 15.013.9 ± 20.9
    Median (range), mg/dL20.3 (0.8–72.7)6.6 (1.1–79.4)
Blood culture positive for S aureus isolates, n/N (%)38/65 (58.5)6/19 (31.6)NS
Surrounding myositis/pyomyositis, n/N (%)30/52 (57.7)4/12 (33.3)NS
Subperiosteal/intraosseal abscess, n/N (%)37/52 (71.2)6/12 (50)NS
  • NS indicates not significant.