Skip to main content

Table 1 Baseline characteristics of study population according to AKI

From: Predicting acute kidney injury using urinary liver-type fatty-acid binding protein and serum N-terminal pro-B-type natriuretic peptide levels in patients treated at medical cardiac intensive care units

 

All

AKI

Non-AKI

P value

Number

1273

224

1049

 

Age, years

68 ± 13

72 ± 11

67 ± 13

< 0.001

Male, n (%)

821 (64)

138 (62)

683 (65)

0.32

Hypertension, n (%)

811 (64)

169 (75)

642 (61)

< 0.001

Dyslipidemia, n (%)

575 (45)

88 (39)

487 (46)

0.05

Diabetes mellitus, n (%)

462 (36)

107 (48)

355 (34)

< 0.001

Current or ex-smoker, n (%)

361 (28)

59 (26)

302 (29)

0.46

Previous myocardial infarction, n (%)

228 (18)

41 (18)

187 (18)

0.87

Prior hospitalization for worsening heart failure, n (%)

242 (19)

45 (20)

197 (19)

0.65

Previous cerebral infarction, n (%)

181 (14)

41 (18)

140 (13)

0.05

Previous coronary revascularization, n (%)

231 (18)

41 (18)

190 (18)

0.95

Paroxysmal or persistent AF, n (%)

279 (22)

56 (25)

223 (21)

0.22

Acute decompensated heart failure, n (%)

485 (38)

118 (53)

367 (35)

< 0.001

Acute coronary syndrome, n (%)

588 (46)

77 (34)

511 (49)

< 0.001

Systolic blood pressure, mmHg

141 ± 31

144 ± 35

141 ± 30

0.14

Heart rate, beats per minutes

86 ± 26

89 ± 27

85 ± 25

0.04

Emergent CAG or PCI before admission, n (%)

458 (36)

68 (30)

390 (37)

0.05

Mechanical ventilation before admission, n (%)

27 (2.1)

10 (4.5)

17 (1.6)

0.007

IABP before admission, n (%)

115 (9)

39 (17)

76 (7)

< 0.001

White blood cell count, × 103/μL

8.7 ± 3.7

9.8 ± 4.1

8.5 ± 3.5

< 0.001

Hemoglobin, g/dL

12.7 ± 2.3

12.0 ± 2.5

12.8 ± 2.3

< 0.001

eGFR, mL/min/1.73 m2

64.7 ± 23.1

51.3 ± 25.1

67.6 ± 21.6

< 0.001

Glucose, mg/dL

158 ± 69

182 ± 81

153 ± 66

< 0.001

hs-CRP, mg/L

2.49 (0.76–11.4)

5.52 (1.24–29.1)

2.13 (0.71–8.62)

< 0.001

NT-proBNP, pg/mL

1120 (230–4024)

2952 (1075–9329)

820 (194–3291)

< 0.001

hs-TnT, pg/mL

56 (16–443)

82 (26–661)

50 (15–408)

0.001

Urinary L-FABP, ng/mL

5.9 (2.4–18.0)

21.8 (6.3–65.9)

4.8 (2.0–12.9)

< 0.001

LVEF, %

47.5 ± 13.7

45.9 ± 14.5

47.9 ± 13.5

0.05

Treatment at enrollment, n (%)

 Antiplatelet drugs

425 (33)

83 (37)

342 (33)

0.20

 Statins

395 (31)

67 (30)

328 (31)

0.69

 RAAS inhibitors

518 (41)

103 (46)

415 (40)

0.08

 Beta-blockers

329 (26)

66 (29)

263 (25)

0.17

 Diuretics

338 (27)

77 (34)

261 (25)

0.004

 Anticoagulant drugs

180 (14)

34 (15)

146 (14)

0.62

  1. Data are expressed as number (%), mean ± standard deviation, or median (25th–75th percentile)
  2. AKI acute kidney injury, AF atrial fibrillation, CAG coronary angiography, PCI percutaneous coronary intervention, IABP intraaortic balloon pump, eGFR creatinine-based estimated glomerular filtration rate, hs-CRP high-sensitivity C-reactive protein, NT-proBNP N-terminal pro-B-type natriuretic peptide, hs-TnT high-sensitivity cardiac troponin T, L-FABP liver-type fatty acid-binding protein, LVEF left ventricular ejection fraction, RAAS renin–angiotensin–aldosterone system