Table 1 Demographic, clinical and laboratory characteristics of patients (n = 174).

From: Comparing the novel microstream and the traditional mainstream method of end-tidal CO2 monitoring with respect to PaCO2 as gold standard in intubated critically ill children

Patients characteristics

Values

Male sex, no (%)

107 (61.5)

Age (month), median (IQR)

42 (12–108)

Primary disease, no (%)

Pneumonia

39 (22.4%)

Multiple trauma

29 (16.7%)

Status epilepticus

22 (12.6%)

Shock, multiple organ failure

19 (10.9%)

Postoperative

10 (5.8%)

Bronchiolitis

9 (5.2%)

Intracranial mass/hemorrhage

8 (4.6%)

Central nervous system infection

7 (4.0%)

Acute respiratory distress syndrome

5 (2.8%)

Congenital heart disease

5 (2.8%)

Poisoning

4 (2.3%)

Renal failure

4 (2.3%)

Others

13 (7.6%)

Laboratory values, median (IQR)

Arterial blood gas analysis

 pH

7.3 (7.3–7.4)

 PaCO2 (mm Hg)

40.7 (35.4–47.3)

 PaO2 (mm Hg)

150.0 (115.0–183.0)

 HCO3ˉ (mmol/L)

22.5 (19.7–25.3)

MainPetCO2, (mm Hg)

38.0 (32.0–44.0)

MicroPetCO2, (mm Hg)

35.0 (29.0–40.0)

Mechanical ventilator parameters, median (IQR)

FiO2 (%)

40.0 (40.0–50.0)

Mean airway pressure (mm Hg)

10.0 (9.0–13.0)

Oxygenation Index

2.4 (1.6–3.9)

  1. PaCO2 = arterial PCO2, PaO2 = arterial PO2, mainPetCO2 = mainstream end-tidal PCO2, microPetCO2 = microstream end-tidal PCO2, FiO2 = fractional inspired oxygen, oxygenation index = [(FiO2 × MAP × 100)/PaO2], IQR: Interquartile range.
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