Table 2

Laboratory results during the first 24 hours after PICU admission

Total patients
(n=60)
Acute respiratory failureP value‡
Absent (n=34)Present (n=26)
Haemoglobin, g/dL13.0 (10.4–15.0)12.7 (10.0–15.1)13.4 (10.7–14.9)0.665
Haematocrit, %38.3 (31.7–44.7)37.6 (30.7–44.9)39.8 (33.7–44.1)0.743
White blood cell count, 103/mm36.2 (3.1–9.2)4.6 (2.9–8.0)8.0 (4.4–16.0)0.022
Neutrophil, %50.3 (31.3–63.3)44.5 (18.8–59.5)56.4 (46.0–64.2)0.023
Lymphocyte, %27.0 (14.3–42.1)31.9 (16.8–51.5)18.5 (14.0–35.7)0.205
Band form, %2.3 (0.0–11.3)2.7 (0.0–10.7)1.0 (0.0–13.3)0.880
Atypical lymphocyte, %4.5 (1.3–8.8)4.9 (1.3–12.6)4.2 (1.3–6.8)0.361
Platelet, 103/mm322.0 (15.0–46.0)21.5 (13.0–46.0)23.5 (15.0–49.3)0.571
Prothrombin time, s14.6 (12.7–16.5)14.0 (12.5–15.2)16.2 (13.8–25.6)0.007
INR, s1.3 (1.1–1.5)1.3 (1.1–1.3)1.4 (1.2–2.3)0.345
Partial thromboplastin time, s42.5 (35.6–54.5)38.5 (32.1–43.3)57.0 (42.7–60.5)< 0.001
Fibrinogen, mg/dL117.4 (87.2–171.4)130.0 (82.1–172.7)113.8 (87.4–170.2)0.687
Albumin, mg/dL2.8 (2.3–3.4)2.8 (2.2–3.5)2.8 (2.3–3.4)0.811
AST, U/L215.5 (105.3–1253.3)185.5 (90.5–433.3)446.5 (113.5–3292.0)0.080
ALT, U/L73.0 (37.0–296.5)63.5 (28.8–146.5)120.0 (37.0–894.8)0.187
ALP, U/L102.0 (69.0–125.0)100.0 (68.0–121.0)115.5 (73.5–142.5)0.303
Total bilirubin, mg/dL0.40 (0.21–1.33)0.31 (0.20–0.78)0.63 (0.22–2.58)0.136
Direct bilirubin, mg/dL0.20 (0.10–0.59)0.17 (0.10–0.41)0.23 (0.10–1.86)0.135
BUN, mg/dL10.8 (7.5–19.3)9.9 (7.2–15.8)11.4 (7.5–24.9)0.447
Creatinine, mg/dL0.52 (0.36–0.85)0.49 (0.38–0.82)0.57 (0.36–1.02)0.660
Estimated GFR, mL/min/1.73 m2*86.4 (69.5–124.2)95.0 (71.0–125.2)82.9 (57.2–117.8)0.257
Bicarbonate, mmol/L17.0 (14.0–19.0)17.5 (14.0–20.0)16.0 (13.0–18.0)0.096
Lactate, mmol/L (N1=13/34, N2=12/26)†3.3 (2.2–5.8)2.5 (1.6–3.9)4.7 (2.4–8.7)0.087
Arterial pH (N1=17/34, N2=22/26)†7.40 (7.34–7.42)7.42 (7.38–7.46)7.36 (7.25–7.41)0.006
  • *Estimated GFR is calculated using modified Schwartz formular.

  • †N1=number of patients who did not require respiratory support. N2=number of patients who were supported with NIV/MV.

  • ‡Pearson’s χ2 test or Fisher’s exact test for qualitative data whereas Mann-Whitney U test for quantitative data.

  • §

  • ALP, Alkaline phosphatase; BUN, blood urea nitrogen; GFR, glomerulous filtration rate; MV, mechanical ventilation; NIV, non-invasive ventilation; PICU, paediatric intensive care unit.