Table 2

ED and ICU parameters comparing patients who developed ARDS and patients who did not

No ARDS
(n=66)
ARDS
(n=15)
P value
ED parameters
 SBP (mm Hg)125 (110–137)114 (105–136)0.58
 DBP (mm Hg)78 (65–85)70 (59–90)0.47
 Hb (mmol/L)8.2 (7.5–9.0)8.0 (7.0–9.5)0.68
 Leukocytes (x109/L)15.9 (11.2–19.8)20.4 (11.4–22.4)0.82
 Platelets (x109/L)249 (203–296)227 (191–251)0.19
PT15.1 (14.3–17.1)17.6 (14.4–21.6)0.06
 pH7.34 (7.29–7.39)7.30 (7.24–7.37)0.21
 PaCO2 (mm Hg)44 (39–50)48 (42–53)0.10
 PaO2 (mm Hg)259 (126–356)186 (79–254)0.03*
 BD (mmol/L)2.0 (0.5–6.0)4.0 (0.0–6.0)0.59
 Saturation (%)100 (99–100)100 (94–100)0.12
ICU parameters
 SBP (mm Hg)123 (108–137)134 (110–146)0.24
 DBP (mm Hg)68 (54–78)62 (50–70)0.11
 Temperature (°C)35.2 (34.5–35.9)35.9 (34.9–36.2)0.96
 Hb (mmol/L)7.7 (6.8–8.5)7.3 (6.5–7.9)0.47
pH7.34 (7.32–7.40)7.30 (7.26–7.36)0.04*
 PaCO2 (mm Hg)42 (37–46)49 (44–56)0.002*
 PaO2 (mm Hg)173 (127–196)116 (94–160)0.002*
 BD (mmol/L)2.5 (0.5–5.9)2.8 (1.2–5.5)0.78
 Sat (%)99 (98–99)98 (95–99)0.003*
 UO (mL)125 (80–300)78 (40–235)0.11
  • Data are expressed as median (IQR).

  • *Statistically significant.

  • ARDS, acute respiratory distress syndrome; BD, Base Deficit; DBP, diastolic blood pressure; ED, emergency department; Hb, hemoglobin; ICU, intensive care unit; PT, prothrombin time; PaCO2, Partial Pressure of Carbon Dioxide in Arterial Blood; PaO2, Partial Pressure of Oxygen in Arterial Blood; SBP, systolic blood pressure; Sat, saturation; UO, urinary output first hour in ICU.