TABLE 3

Characteristics of Febrile Infants With and Without SBIs

Any SBI, N = 444, n/N (%) Invasive Bacterial Infection, N = 97
n/N (%) No SBI, N = 4147, n/N (%)
Age, da32.0 (19.0–47.0)25.0 (13.0–42.0)38.0 (26.0–48.0)
Boy269/444 (60.6)50/97 (51.5)2326/4147 (56.1)
Temperature, °Ca38.6 (38.3–39.0)38.6 (38.3–39.0)38.3 (38.1–38.7)
Peripheral WBC, cells/mm3a13.5 (9.9–17.6)10.7 (7.0–15.4)9.6 (7.1–12.6)
Peripheral ANC, cells/mm3a6.9 (4.2–9.7)5.4 (3.5–8.7)3.1 (2.0–4.8)
Urine obtained429/444 (96.6)91/97 (93.8)3991/4147 (96.2)
LP performed399/444 (89.9)92/97 (94.8)3232/4147 (77.9)
CSF WBC, cells/mm3a5.0 (2.0–11.9)5.4 (2.0–22.0)3.0 (2.0–7.8)
Positive CSF Gram-stain9/399 (2.3)8/92 (8.7)9/3232 (0.3)
Initial hospitalization415/444 (93.5)94/97 (96.9)3037/4147 (73.2)
  • ANC, absolute neutrophil count; CSF, cerebrospinal fluid.

  • a Median (IQR).