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Table 2 Laboratory values and dialysis prescription according to the number of reviewer confirmed arrythmias during follow-up

From: Relationship between dialytic parameters and reviewer confirmed arrhythmias in hemodialysis patients in the monitoring in dialysis study

Characteristics

All Subjects (N = 66)

Number of RCA During Follow-up

P Value

Laboratory Parameters

 

≤10 (N = 16)

11–49 (N = 16)

50–239 (N = 17)

≥240 (N = 17)

 

Blood Urea Nitrogen (mg/dL)a

59.7 ± 17.8

63.6 ± 22.5

53.4 ± 17.0

63.6 ± 14.5

59.1 ± 17.6

0.39

Sodium (mEq/L)a

138.0 (135.0, 140.0)

137.0 (132.5, 138.5)

137.0 (136.0, 139.5)

139.0 (135.5, 140.0)

140.0 (135.0, 141.0)

0.41

Potassium (mEq/L)a

4.7 (4.2, 5.4)

5.3 (4.6, 5.9)

4.5 (4.2, 5.1)

4.6 (4.2, 5.1)

4.7 (4.4, 5.4)

0.32

CO2 (mEq/L)a

22.2 ± 3.7

20.5 ± 3.4

22.6 ± 2.4

22.7 ± 3.5

22.5 ± 4.9

0.38

Calcium (mg/dL)a

8.7 ± 0.8

8.5 ± 0.8

8.9 ± 0.7

8.8 ± 0.8

8.6 ± 1.1

0.49

Magnesium (mg/dL)a

2.3 (2.0, 2.7)

2.6 (2.2, 3.1)

2.5 (2.1, 2.8)

2.3 (2.1, 2.7)

2.0 (1.7, 2.3)

0.003

Phosphorous (mg/dL)a

5.1 (4.3, 6.3)

5.4 (4.5, 6.6)

5.1 (4.2, 5.7)

5.5 (4.4, 6.6)

4.9 (4.2, 7.7)

0.84

Hemoglobin (g/dL)b

10.7 (9.9, 11.4)

10.5 (9.8, 10.8)

10.6 (9.3, 11.4)

10.5 (9.8, 11.3)

11.2 (11.1, 11.6)

0.06

Albumin (g/dL)a

4.0 (3.8, 4.2)

3.8 (3.6, 4.1)

4.1 (3.9, 4.2)

4.0 (3.8, 4.2)

3.9 (3.8, 4.2)

0.32

spKt/Va

1.5 (1.2, 1.7)

1.2 (1.1, 1.7)

1.5 (1.2, 1.7)

1.6 (1.4, 1.7)

1.5 (1.4, 1.7)

0.48

Dialysis Parameters

 Duration of hemodialysis (hrs)

4.0 (3.5, 4.0)

4.0 (3.5, 4.0)

3.9 (3.5, 4.0)

4.0 (3.5, 4.0)

4.0 (3.5, 4.0)

0.99

 Dry weight target (kg)

80.5 (65.0, 94.0)

74.3 (66.3, 90.3)

81.5 (61.0, 88.5)

75.0 (65.0, 115.0)

82.0 (73.4, 107.5)

0.55

 Kg Over dry weight target

4.2 (2.7, 5.2)

4.0 (2.5, 5.4)

3.5 (1.8, 4.9)

4.7 (2.8, 5.1)

4.3 (3.1, 5.5)

0.44

 Ultrafiltration rate (ml/kg/hr)

10.9 (7.4, 15.9)

11.4 (7.7, 13.2)

10.7 (6.3, 16.0)

10.9 (7.5, 15.9)

11.0 (9.2, 15.9)

0.84

 Sodium modeling

9/66 (13.6%)

4/16 (25.0%)

2/16 (12.5%)

1/17 (5.9%)

2/17 (11.8%)

0.47

 High flux dialyzer

42/66 (63.6%)

5/16 (31.3%)

9/16 (56.3%)

13/17 (76.5%)

15/17 (88.2%)

0.004

Membrane reuse

18/66 (27.3%)

4/16 (25.0%)

3/16 (18.8%)

4/17 (23.5%)

7/17 (41.2%)

0.55

 Cellulose membrane

5/66 (7.6%)

3/16 (18.8%)

2/16 (12.5%)

0/17 (0.0%)

0/17 (0.0%)

0.06

 Dialysate temperature (°C)

37.0 (37.0, 37.0)

37.0 (36.8, 37.0)

37.0 (37.0, 37.0)

37.0 (37.0, 37.0)

37.0 (37.0, 37.0)

0.52

 Dialysate sodium (mEq/L)c

140.0 (140.0, 140.0)

140.0 (138.0, 140.0)

140.0 (140.0, 140.0)

140.0 (140.0, 140.0)

140.0 (140.0, 140.0)

0.30

 Dialysate potassium (mEq/L)d

2.0 (2.0, 2.0)

2.0 (2.0, 2.0)

2.0 (2.0, 2.0)

2.0 (2.0, 2.0)

2.0 (2.0, 3.0)

0.05

 Dialysate bicarbonate (mEq/L)

35.0 (33.0, 36.0)

35.0 (32.5, 35.0)

35.0 (32.0, 36.0)

35.0 (35.0, 37.0)

35.0 (35.0, 40.0)

0.33

 Dialysate calcium (mEq/L)

2.5 (2.5, 2.5)

2.5 (1.6, 2.5)

2.5 (2.1, 3.0)

2.5 (2.5, 2.5)

2.5 (2.5, 2.5)

0.44

  1. Distribution of baseline lab tests and dialysis parameters. Continuous variables are presented as mean ± standard deviation or median (interquartile range). CO2-total carbon dioxide (bicarbonate)
  2. SpKt/V single pool Kt/V according to Daugirdas formula, CRP HS-high sensitivity CRP, PTH parathyroid hormone, Hrs hours, mEq milliequivalent, mg milligram, dL deciliter, L liter, pg picogram, Celsius, mL milliliter, Kg kilogram, CRP, PTH and BNP were measured in US patients only
  3. a Available in 59 patients (≤10 RCA (n = 12), 11–49 RCA (n = 16), 50–240 RCA (n = 16) > 240 RCA (n = 15). bAvailable in 56 patients (≤10 RCA (n = 12), 11–49 RCA (n = 14), 50–240 RCA (n = 17) > 240 RCA (n = 13). c Dialysate sodium was available in 61 patients overall (≤10 RCA (n = 14), 11–49 RCA (n = 14), 50–240 RCA (n = 17) > 240 RCA (n = 16). d Mean values for potassium in mEq/L = 1.9 ± 0.3, 2.3 ± 0.6, 2.2 ± 0.4, and 2.4 ± 0.5
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BMC Nephrology

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