|
1. Arterial pH
|
7.35 (7.29–7.39)
|
7.28 (7.17–7.37)
|
0.001
|
|
2. Arterial CO2 tension, mmHg
|
40 (35–45)
|
40 (34–48.8)
|
0.022
|
|
3. Actual bicarbonate conc., mmol/L
|
21 (19–23)
|
18 (14–21.8)
|
0.001
|
|
4. Chloride conc., mmol/L
|
110 (107–113)
|
109 (105–114)
|
0.891
|
|
5. Lactate conc., mmol/L
|
1.5 (1.0–2.4)
|
2.7 (1.4–5.6)
|
0.001
|
|
6. Actual base excess, mmol/L
|
−3 (−6 to −1)
|
−7 (−12 to −3)
|
0.001
|
|
7. Anion gap, mmol/L
|
12.5 (10.1–15.0)
|
15.0 (11.9–19.5)
|
0.001
|
|
8. Anion gap albumin-corrected, mmol/L
|
15.5 (12.8–18.5)
|
18.7 (14.8–23.6)
|
0.001
|
|
9. SIG with lactate, mmol/L
|
4.2 (1.5–7.1)
|
6.5 (3.0–10.8)
|
0.001
|
|
10. SIG without lactate, mmol/L
|
2.2 (−0.3 to 5.0)
|
2.5 (−0.4 to 5.8)
|
0.028
|
|
11. SID-effective, mmol/L
|
33.5 (30.5–36.2)
|
30.7 (26.7–34.7)
|
0.001
|
|
12. Other unmeasured ions, mmol/L
|
2.1 (−1.0 to 4.9)
|
−1.5 (−7.3 to 2.5)
|
0.001
|
