Relationship of Admission Serum Anion Gap and Prognosis of Critically Ill Patients: A Large Multicenter Cohort Study
Table 3
The mortalities in patients with different acid-base disorders.
Total
AG< 8 mmol/L
8 ≤ AG ≤ 16 mmol/L
AG> 16 mmol/L
†
Normal
Subjects, (%)
1167
1 (0.1)
590 (50.6)
576 (49.4)
ICU mortality, (%)
114 (9.8)
1 (100.0)
34 (5.8)
79 (13.7)
<0.001
Hospital mortality, (%)
187 (16.0)
1 (100.0)
60 (10.2)
126 (21.9)
<0.001
Acid-base disorder with a normal blood pH#
Subjects, (%)
2432
11 (0.5)
1007 (41.4)
1414 (58.1)
ICU mortality, (%)
276 (11.3)
0 (0)
77 (7.6)
199 (14.1)
<0.001
Hospital mortality, (%)
468 (19.2)
1 (9.1)
133 (13.2)
334 (23.6)
<0.001
Blood
Subjects, (%)
3785
27 (0.7)
1186 (31.3)
2572 (68.0)
ICU mortality, (%)
698 (18.4)
6 (22.2)
115 (9.7)
577 (22.4)
<0.001
Hospital mortality, (%)
952 (25.2)
6 (22.2)
155 (13.1)
791 (30.8)
<0.001
Blood pH>7.45
Subjects, (%)
1136
3 (0.3)
455 (40.1)
678 (59.7)
ICU mortality, (%)
134 (11.8)
0 (0)
35 (7.7)
99 (14.6)
0.001
Hospital mortality, (%)
202 (17.8)
0 (0)
58 (12.7)
144 (21.2)
0.001
Patients with ,, and ;# patients with and abnormal HCO3- or PaCO2; † values indicated the differences of mortalities between groups with serum and . AG, anion gap; ICU, intensive care unit.
