Table 2 Demographic and clinical characteristics of the study cohort according to the presence of AKI.

From: Impact of acute kidney injury on long-term adverse outcomes in obstructive uropathy

 

No AKI (n = 368, 21.9%)

AKI (n = 1315, 78.1%)

p-value

Gender (Male)

159 (43.2%)

665 (50.6%)

0.013

Age (year)

58.90 ± 14.82

63.17 ± 14.10

 < 0.001

Comorbidities

DM

110 (30.2%)

421 (32.0%)

0.526

HTN

158 (42.9%)

639 (48.6%)

0.059

Chronic liver disease

35 (9.5%)

118 (9.0%)

0.759

IHD

16 (4.3%)

80 (6.1%)

0.252

PAOD

17 (4.6%)

64 (4.9%)

0.486

HF

9 (2.4%)

49 (3.7%)

0.262

Dementia

4 (1.1%)

37 (2.8%)

0.057

Hemiparesia

6 (1.6%)

22 (1.7%)

0.585

COPD

16 (4.3%)

85 (6.5%)

0.138

Connective tissue disease

15 (4.1%)

49 (3.7%)

0.758

CKD

37 (10.1%)

363 (27.6%)

 < 0.001

Laboratory test

Hb [g/dL]

11.4 ± 2.26

10.3 ± 2.23

 < 0.001

WBC [× 103/µL]

8.55 [0.35, 32.03]

10.39 [0.46, 46.70]

 < 0.001

Platelet [× 103/µL]

249.1 [9.5, 837.0]

241.3 [7.4, 844.0]

0.117

Na [mmol/L]

138.4 [114.0, 147.0]

136.2 [107.2, 158.0]

 < 0.001

K [mmol/L]

4.09 [2.02, 6.20]

4.49 [2.50, 9.74]

 < 0.001

Cl [mmol/L]

103.1 [81.0, 115.0]

102.3 [68.0, 134.0]

0.041

Total CO2 [mmol/L]

24.5 [10.3, 48.1]

21.3 [4.1, 41.4]

 < 0.001

Baseline Cr [mg/dL]

0.8 [0.17, 5.93]

1.0 [0.10, 6.40]

 < 0.001

Baseline eGFR

94.73 [9.40, 157.14]

83.80 [7.99, 188.96]

 < 0.001

CRP [mg/L]

57.25 [0.23, 383.39]

87.39 [0.10, 444.57]

 < 0.001

Procalcitonin [ng/mL]

7.64 [0.03, 87.90]

20.64 [0.02, 200.0]

 < 0.001

Glucose [mg/dL]

133.9 ± 64.5

138.4 ± 72.5

0.379

HbA1c [% of THb]

6.96 ± 1.75

6.57 ± 1.86

0.064

Protein [g/dL]

6.79 [3.30, 9.20]

6.56 [3.20, 9.70]

 < 0.001

Albumin [g/dL]

3.72 ± 0.59

3.49 ± 0.60

 < 0.001

Uric acid [mg/dL]

4.8 [1.3, 14.8]

6.7 [1.1, 29.1]

 < 0.001

Etiology of obstruction

 < 0.001

Malignancy

162 (44.0%)

774 (58.9%)

 

Stone

134 (36.4%)

347 (26.4%)

 

Others

72 (19.3%)

194 (14.8%)

 
  1. DM diabetes mellitus, HTN hypertension, IHD ischemic heart disease, PAOD peripheral arterial occlusive disease, COPD chronic obstructive pulmonary disease, CKD chronic kidney disease, Hb hemoglobin, eGFR estimated glomerular filtration rate, CRP C-reactive protein, AKI acute kidney injury.