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Table 1 Baseline information

From: The furosemide stress test predicts the timing of continuous renal replacement therapy initiation in critically ill patients with acute kidney injury: a double-blind prospective intervention cohort study

Variable

All patients (n = 187)

General condition

 Age (years), median (IQR)

71 (62.8, 75)

 The male, n (%)

119 (63.63%)

 BMI, mean (SD)

23.91 (0.60)

 Temperature (℃), median (IQR)

36.8 (36.5, 37.7)

 Heart rate, mean (SD)

107 (4)

 Breathing, median (IQR)

20 (15, 21)

 Mean arterial pressure (mmHg), mean (SD)

81 (2)

 Baseline Scr (μmol/L), median (IQR)

68.85 (52.5, 80.9)

Reason for ICU admission, n (%)

 Respiratory failure

86 (45.99%)

 Circulatory failure

55 (29.41%)

 Neurological diseases

26 (13.9%)

 Trauma

8 (4.28%)

 Others

12 (6.42%)

Previous medical history, n (%)

 Hypertension

88 (47.05%)

 Diabetes

37 (19.78%)

 Ischemic heart disease

29 (15.51%)

 Cerebrovascular disease

53 (28.34%)

 Chronic liver disease

4 (2.14%)

 Malignancy

77 (41.18%)

Laboratory examination

 WBC (109/L), median (IQR)

15.58 (10, 23.18)

 PLT (109/L), median (IQR)

191.5 (107.75, 278.5)

 PCT (ng/ml), median (IQR)

6.85 (1.5, 17.03)

 Scr (μmol/L), median (IQR)

201.4 (100.53, 267.4)

 BUN (mmol/L), median (IQR)

14.55 (8.95, 26.98)

 Total bilirubin (μmol/L), median (IQR)

16.1 (10.02, 39.97)

 Lactate (mmol/L), median (IQR)

1.85 (1.43, 4.88)

 Plasma NGAL (ng/ml), median (IQR)

190.66 (138.93, 318.77)

 pH, mean (SD)

7.34 (0.11)

 Potassium concentration (mmol/L), median (IQR)

4.38 (4.02, 5.03)

 Bicarbonate (mmol/L), median (IQR)

19.8 (15.63, 22.48)

Stage of AKI

 Stage 1, n (%)

49 (26.20%)

 Stage 2, n (%)

36 (19.25%)

 Stage 3, n (%)

102 (54.55%)

Others

 RRI, mean (SD)

0.66 (0.08)

 CVP (mmHg), median (IQR)

9.5 (8, 11)

 Mechanical ventilation, n (%)

126 (67.38%)

 CRRT, n (%)

142 (75.94%)

 Sepsis, n (%)

107 (57.22%)

 Time of FST to initiate CRRT (hours), mean (SD)

8.35 (5.75)

 SOFA score, mean (SD)

8.58 (0.55)

 APACHE II score, median (IQR)

17.5 (15, 25)

  1. BMI, body mass index; ICU, intensive care unit; WBC, white blood cell; PLT, platelet; PCT, procalcitonin; Scr, serum creatinine; BUN, blood urea nitrogen; NGAL, neutrophil gelatinase-associated lipocalin; AKI, acute kidney injury; RRI, renal resistance index; CRRT, continuous renal replacement therapy; SOFA, Sequential Organ Failure Assessment; APACHE II, Acute Physiology and Chronic Health Evaluation II