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 1

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

Demographic characteristicsNo-AKI ()AKI () value

Height (cm)0.026
BMI (m/kg2)0.129
APS III<0.001
First wardid12 (8)14 (3)0.320
Last wardid14 (8)14 (3)0.687
LOS1.64 (1.49)2.39 (3.41)<0.001
Age0.011
Weight10.010
SAPS<0.001
SOFA<0.001
SAPS II<0.001
Elix score0.098
Elixhauser vanwalraven0.019
Elixhauser_sid290.002
Elixhauser_sid300.005
Mingcs15 (1)15 (0)0.163
GCSmotor6 (1)6 (5)0.010
GCSverbal5 (4.5)1.85 (5)0.001
GCSeyes4 (1)3 (3)0.001
GCStotal14 (6)10 (12)0.001
Glucosemin (mmol)0.050
Glucosemax (mmol)0.027
Glucosemean (mmol)0.540
Glucoserange (mmol)0.002
HbA1c (%)0.193
HRfirst (bpm)0.416
HRmin (bpm)0.602
HRmax (bpm)<0.001
CVPfirst (cmH2O)0.082
CVPmin (cmH2O)0.266
MAPfirst (mmHg)0.006
MAPmin (mmHg)<0.001
MAPmax (mmHg)<0.001
Temperaturefirst (°C)0.013
Temperaturemin (°C)0.006
Temperaturemax (°C)0.392
Hemoglobinfirst (g/L)0.064
Hemoglobinmin (g/L)<0.001
Hemoglobinmax (g/L)0.475
WBCfirst (×10^9/L)0.063
WBCmin (×10^9/L)0.036
WBCmax (×10^9/L)0.005
PLTfirst (×10^9/L)0.016
PLTmin (×10^9/L)0.007
PLTmax (×10^9/L)0.235
Angus sepsis, (%)12 (10)83 (19)0.029
Sedative, (%)51 (42)307 (70)<0.001
Gender, (%)69 (57)299 (68)0.033
SIRS0.005
 03 (2)3 (1)
 121 (17)32 (7)
 231 (26)107 (24)
 337 (31)165 (38)
 429 (24)133 (30)
Ventilation, (%)54 (45)327 (74)<0.001
Vasoactive drugs, (%)43 (36)264 (60)<0.001
Congestive heart failure, (%)3 (2)25 (6)0.231
Cardiac arrhythmias, (%)5 (4)29 (7)0.430
Valvular disease, (%)1 (1)10 (2)0.471
Pulmonary circulation, (%)2 (2)4 (1)0.614
Peripheral vascular, (%)14 (12)56 (13)0.853
Hypertension, (%)6 (5)57 (13)0.021
Paralysis, (%)4 (3)8 (2)0.299
Other neurological, (%)4 (3)20 (5)0.731
Chronic pulmonary, (%)14 (12)71 (16)0.272
Uncomplicated diabetes, (%)25 (21)128 (29)0.084
Complicated diabetes, (%)3 (2)21 (5)0.395
All diabetes, (%)28 (23)149 (34)0.033
CHF, (%)28 (23)141 (32)0.075
Atrial fibrillation, (%)25 (21)154 (35)0.004
Renal disease, (%)9 (7)47 (11)0.377
COPD, (%)7 (6)43 (10)0.237
CAD, (%)64 (53)276 (63)0.063
Stroke, (%)10 (8)26 (6)0.467
Malignancy, (%)10 (8)39 (9)0.980
Cardiopulmonary bypass, (%)36 (30)259 (59)<0.001
CABG, (%)17 (14)207 (47)<0.001
Left heart catheterization, (%)54 (45)159 (36)0.110

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.