Research Article

The Value of Combining Carbon Dioxide Gap and Oxygen-Derived Variables with Lactate Clearance in Predicting Mortality after Resuscitation of Septic Shock Patients

Table 3

Baseline characteristics of the study population.

The studied variablesAll patients (N = 456)Survivors (N = 292)Nonsurvivors (N = 164) value

Age (years)63.2 ± 6.961.4 ± 4.665.8 ± 7.20.001
Gender (male)328 (71.9%)216 (73.9%)112 (68.3%)0.34
Diabetes mellitus, n (%)287 (62.9)188 (64.4)99 (60.4)0.04
Chronic kidney disease, n (%)218 (47.8)117 (40.1)101 (61.6)0.02
Chronic heart failure, n (%)127 (28)83 (28.4)44 (26.8)0.34
Coronary artery disease, n (%)141 (30.9)89 (30.4)52 (31.7)0.42
Previous cerebrovascular stroke, n (%)26 (5.7)18 (6.2)8 (4.9)0.7
Left ventricle EF (%)52.3 ± 6.851.6 ± 8.749.4 ± 4.80.31
Source of sepsis, n (%)Pneumonia227 (49.8)154 (52.7)73 (44.5)0.38
Urinary113 (24.8)64 (21.9)49 (29.8)
Abdominal82 (17.9)59 (20.2)23 (14.1)
Soft tissue34 (7.5)21 (7.2)13 (9.7)
APACHE II score24.3 ± 9.718.2 ± 3.734.3 ± 6.8<0.001
SOFA score at admission6.4 ± 1.65.8 ± 3.17.3 ± 1.40.001
SOFA score after 48 hours6.2 ± 3.64.2 ± 1.89.4 ± 3.1<0.001
Need for dialysis68 (14.9%)30 (10.3%)38 (23.2%)0.02
Length of stay (days)5.6 ± 2.46.8 ± 2.13.6 ± 1.7<0.001
Hemoglobin (g/dL)10.6 ± 2.310.9 ± 1.29.82 ± 2.30.51
Platelet count (×103/ml)134.2 ± 52.6146.7 ± 38.3128.6 ± 52.70.2
INR1.3 ± 0.711.2 ± 0.621.1 ± 0.450.61
Creatinine (mg/dL)1.4 ± 0.31.2 ± 0.21.6 ± 0.60.041
Bilirubin (mg/dL)2.1 ± 1.21.8 ± 1.32.4 ± 1.60.13
Albumin (mg/dL)3.6 ± 1.43.6 ± 1.33.2 ± 1.60.02
AST(U/L)21.4 ± 2.620.9 ± 2.826.3 ± 3.40.015
ALT(U/L26.8 ± 3.124.4 ± 2.727.4 ± 3.40.22

APACHE II: Acute Physiology and Chronic Health Evaluation II; SOFA: Sequential Organ Failure Assessment; INR: international normalized ratio; ALT: alanine transaminase; AST: aspartate transferase. Data are presented as mean (±SD) or N (%).