Table 1 A comparison of demographic, clinical, and laboratory findings between bacteriuric infants with low vs. high leukocytes in urine
Variable | 75 infants with 0–9 leukocytes/hpf in urine: Median: IQR*; or Percentages, 95%CI (N) | 170 infants with ≥ 10 leukocytes/hpf in urine: Median: IQR*; or Percentages, 95%CI (N) |
|---|---|---|
Gender (% Male) | 60: 48–71 (45/75) | 56: 49–64 (96/170) |
Race (% Caucasian) | 37:26–49 (28/75) | 42: 34–50 (71/170) |
Age (months) * | 1.8: 1.0–2.3 | 1.4: 0.9–2.2 |
Triage temperature/°C * | 38.6: 38.3–39.3 | 38.9: 38.5–39.5 |
Grades 4–5 VUR (%) § | 3.2: 0.4–11.1 (2/62) | 5.9: 2.7–10.9 (9/153) |
Peripheral blood leukocyte count (cells/mm3) * | 14,700: 10,720–19,230 | 15,300: 11,000–19,900 |
Cerebrospinal fluid leukocyte count (cells/mm3) * | 4: 2–7 | 4: 2–8 |
Bladder catheterization (%) | 83: 72–90 (62/75) | 90: 84–94 (153/170) |
Positive urine bacterial nitrite (%) | 20: 12–31 (15/75)† | 46: 38–54 (78/170)† |
Hematuria: > 5 red blood cells in urine/hpf (%) | 7: 2–17 (4/57)† | 33: 26–41 (51/155)† |
Bacterial counts in urine culture ≥ 100,000 cfu/ml (%) ‡ | 72: 60–82 (54/75)† | 93: 88–96 (158/170)† |
Bacteremia and/or bacterial meningitis (%) | 0: 0–4 (0/75)† | 7: 4–12 (12/170)† |