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Table 4 Baseline characteristics of patients according to the ultrasound profile

From: Ultrasound-based clinical profiles for predicting the risk of intradialytic hypotension in critically ill patients on intermittent dialysis: a prospective observational study

Profile

A, n = 108

B, n = 38

C, n = 36

D, n = 66

p

Hypotension, n (%)

8 (7.4%)

30 (78.9%)

30 (83.3%)

11 (16.7%)

0.001

Gender

    

0.346

 Male, n (%)

67 (62%)

26 (68.4%)

22 (14.8%)

34 (51.4%)

 

 Female, n (%)

41 (41.4%)

12 (31.6%)

14 (38.9%)

32 (48.5%)

 

Age (years)

65.0 ± 15.2

69.9 ± 11.8

66.0 ± 12.4

66.0 ± 18.1

0.016

Charlson score

10.3 ± 2.7

10.6 ± 2.8

10.7 ± 2.6

10.0 ± 2.8

0.113

APACHE II

15.2 ± 3.7

15.6 ± 4.3

15.9 ± 3.3

15.4 ± 5.6

0.470

SOFA

8.2 ± 2.3

8.4 ± 2.6

9.2 ± 2.6

8.4 ± 2.7

0.677

Sepsis, n (%)

59 (54.6%)

17 (44.7%)

15 (41.7%)

32 (48.5%)

0.495

Use of norepinephrine, n (%)

19 (17.6%)

6 (15.8%)

4 (11.1%)

8 (12.1%)

0.694

Mechanical ventilation, n (%)

16 (14.8%)

8 (21.1%)

3 (8.3%)

7 (10.6%)

0.353

Fluid balance (milliliters)

1952.2 ± 702.0

1953.0 ± 673.5

1899.8 ± 667.5

1951.8 ± 592.9

0.469

Mortality 28 days, n (%)

19 (17.6%)

6 (15.8%)

5 (13.9%)

20 (30.3%)

0.112

Dialysis data

 Duration, min

212.4 ± 47.5

202.6 ± 53.1

195.14 ± 81.1

212.7 ± 40.7

0.958

 Ultrafiltration, mL/min

1197.2 ± 836.6

1072.4 ± 923.3

813.9 ± 818

1228.8 ± 40.7

0.428

 Blood flow rate, mL/min

273.15 ± 35.80

248.7 ± 48.6

262.5 ± 42.0

274.24 ± 35.3

0.420

 Dialysate flow rate, mL/min

485.18 ± 56.62

447.9 ± 88.4

455.5 ± 84.3

487.9 ± 48.1

0.628

 Sodium, mEq/L

138.66 ± 1.28

138.6 ± 0.9

138.8 ± 1.5

138.8 ± 1.9

0.841

Systemic data

 Temperature

36.06 ± 0.25

36.0 ± 0.3

36.0 ± 0.3

36.0 ± 26.1

0.326

 Systolic blood pressure, mmHg

139.1 ± 28.5

126.0 ± 0.3

123.0 ± 22.5

144.4 ± 26.1

0.855

 Diastolic blood pressure, mmHg

72.8 ± 15.8

68.6 ± 16.9

67.2 ± 12.7

73.9 ± 16.8

0.831

 Mean blood pressure, mmHg

94.9 ± 18.4

87.8 ± 18.3

85.8 ± 13.6

97.4 ± 17.5

0.793

Blood test data

 Hemoglobin, /dL

9.1 ± 2.2

9.2 ± 2.2

8.6 ± 2.2

8.6 ± 2.2

0.262

 Bicarbonate, mEq/L

19.7 ± 3.8

18.8 ± 3.8

20.1 ± 5.2

20.1 ± 5.2

0.767

 Sodium, mEq/L

138.2 ± 4.5

138.9 ± 8.5

137.4 ± 5.4

137.0 ± 6.6

0.396

 Urea, mg/dL

157.6 ± 59.3

159.9 ± 50.3

157.5 ± 47.8

150.1 ± 61.7

0.802

 Lactate, mmol/L

1.5 ± 0.6

1.8 ± 0.85

2.0 ± 1.1

1.5 ± 0.5

0.242

  1. SOFA Sequential Organ Failure Assessment, APACHE Acute Physiology and Chronic Health Evaluation. Data are expressed as mean ± standard deviation