Research Article

Predicting Risk Factors of Acute Kidney Injury in the First 7 Days after Admission: Analysis of a Group of Critically Ill Patients

Table 3

Differences between the demographic and clinical characteristics of the two groups in the subgroup.

Demographic variablesNo-AKI ()AKI () value

Height (cm)0.005
BMI (m/kg2)0.164
APS III<0.001
First wardid12 (8)14 (3)0.393
Last wardid14 (8)14 (3)0.968
Age0.126
Weight0.009
SAPS<0.001
SOFA<0.001
SAPS II<0.001
Elix score0.359
Elixhauser vanwalraven0.169
Elixhauser_sid290.055
Elixhauser_sid300.076
Mingcs15 (1)15 (0)0.072
GCSmotor6 (2)6 (5)0.136
GCSverbal5 (5)1 (5)0.020
GCSeyes4 (1)3 (3)0.043
GCStotal14 (8)10 (12)0.057
Glucosemin (mmol)0.329
Glucosemax (mmol)0.356
Glucosemean (mmol)0.887
Glucoserange (mmol)0.167
HbA1c (%)0.369
HRfirst (bpm)0.392
HRmin (bpm)0.866
HRmax (bpm)0.002
CVPfirst (cmH2O)0.184
CVPmin (cmH2O)0.282
MAPfirst (mmHg)0.027
MAPmin (mmHg)<0.001
MAPmax (mmHg)0.001
Temperaturefirst (°C)0.125
Temperaturemin (°C)0.057
Temperaturemax (°C)0.041
Hemoglobinfirst (g/L)0.289
Hemoglobinmin (g/L)0.002
Hemoglobinmax (g/L)0.686
WBCfirst (×10^9/L)0.129
WBCmin (×10^9/L)50.073
WBCmax (×10^9/L)0.025
PLTfirst (×10^9/L)0.141
PLTmin (×10^9/L)0.149
PLTmax (×10^9/L)0.627
Angus sepsis, (%)12 (13)61 (19)0.242
Sedative, (%)44 (47)226 (70)<0.001
Gender, (%)55 (59)231 (71)0.036
SIRS, (%)0.016
Ventilation, (%)47 (51)244 (75)<0.001
Vasoactive drugs, (%)37 (40)196 (60)<0.001
Congestive heart failure, (%)3 (3)16 (5)0.586
Cardiac arrhythmias, (%)5 (5)23 (7)0.726
Valvular disease, (%)1 (1)8 (2)0.691
Pulmonary circulation, (%)2 (2)3 (1)0.310
Peripheral vascular, (%)12 (13)40 (12)1.000
Hypertension, (%)5 (5)43 (13)0.055
Paralysis, (%)4 (4)6 (2)0.240
Other neurological, (%)3 (3)16 (5)0.586
Chronic pulmonary, (%)11 (12)50 (15)0.484
Diabetes uncomplicated, (%)20 (22)95 (29)0.175
Diabetes complicated, (%)2 (2)14 (4)0.541
Diabetes all, (%)22 (24)109 (34)0.089
Furosemide, (%)11 (12)37 (11)1.000
CHF, (%)22 (24)108 (33)0.099
Atrial fibrillation, (%)21 (23)120 (37)0.013
Renal disease, (%)7 (8)35 (11)0.466
Liver disease, (%)1 (1)8 (2)0.691
COPD, (%)5 (5)31 (10)0.289
CAD, (%)50 (54)199 (61)0.227
Stroke, (%)8 (9)24 (7)0.872
Malignancy, (%)8 (9)32 (10)0.866
Cardiopulmonary bypass, (%)31 (33)193 (60)<0.001
CABG, (%)17 (18)151 (47)<0.001
Left heart catheterization, (%)36 (39)121 (37)0.906

Abbreviations: BMI: body mass index; APS III: autoimmune polyglandular syndrome type III; LOS: length of stay; SAPS: Simplified Acute Physiology Score; SOFA: Sequential Organ Failure Assessment; SAPS II: Simplified Acute Physiology Score II; GCS: Glasgow coma scale; HbA1c: Hemoglobin A1c; HR: heart rate; CVP: central venous pressure; MAP: mean arterial pressure; WBC: white blood cell; PLT: platelet; SIRS: systemic inflammatory response syndrome; CHF: chronic heart failure; COPD: chronic obstructive pulmonary disease; CAD: coronary artery disease; CABG: coronary artery bypass grafting.