Anion Gap Was Associated with Inhospital Mortality and Adverse Clinical Outcomes of Coronary Care Unit Patients
Table 2
Outcomes of patients stratified by AG quartiles.
Outcomes
Total ()
Quartiles of AG (mmol/L)
value
Quartile 1 ()
Quartile 2 ()
Quartile 3 ()
Quartile 4 ()
Inhospital mortality, (%)
515 (14.3)
85 (9.8)
89 (9.9)
103 (13.2)
238 (22.8)
<0.001
CCU mortality, (%)
399 (11.1)
55 (6.3)
73 (8.1)
88 (11.3)
183 (17.5)
<0.001
Length of CCU stay (days)
3.9 (2.8-6.6)
3.5 (2.6-5.9)
3.7 (2.8-5.9)
3.9 (2.7-6.7)
4.4 (3.0-7.3)
<0.001
Length of hospital stay (days)
8.3 (5.3-13.9)
7.3 (4.8-12.5)
7.8 (5.0-13.2)
8.5 (5.3-13.7)
9.7 (4.0-15.7)
<0.001
Acute kidney injury, (%)
1924 (53.6)
371 (42.7)
434 (48.1)
429 (55.1)
690 (66.1)
<0.001
Maximum SOFA
4 (2-6)
3 (1-5)
3 (2-5)
4 (2-6)
5 (3-8)
<0.001
Maximum SAPSII
36 (28-46)
33 (27-40)
34 (26-43)
36 (28-44)
42 (33-52)
<0.001
Nonnormally distributed continuous variables were presented as median (IQR). Categorical variables were presented as number (percentage). Abbreviation: AG: anion gap; CCU: coronary care unit; SOFA: sequential organ failure assessment score; SAPS II: simplified acute physiology score II.
