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Table 3 Relationship of descriptive features with post-dialysis recovery time – country results (n = 294)

From: Impact of variables on recovery time in patients undergoing hemodialysis: an international survey

Variables

TURKEY (n = 187)

PORTUGAL (n = 107)

Recovery time

Recovery time

P value

Recovery time

Recovery time

P value

< 180 minutes

≥ 180 minutes

< 120 minutes

≥ 120 minutes

 

n (%)

n (%)

n (%)

n (%)

 

60 (32.1)

127 (67.9)

46 (43)

61 (57)

Comorbid chronic disease

  

0.016*

  

0.326*

 Yes / No

48 (29.1) /12 (54.5)

117 (70.9) / 10 (45.5)

41 (41.8) / 5 (55.6)

57 (58.2) / 4 (44.4)

Heart failure

13 (20.0) /47 (38.5)

52 (80.0) / 75 (61.5)

0.010*

19 (47.5) / 27 (40.3)

21 (52.5) / 40 (59.7)

0.546

 Yes / No

Age (year)

62 [54.25-70]

64 [56–70]

0.218***

66 [57-72.25]

71 [64-78.50]

0.035***

Kt/V

1.74 ± 0.25

1.72 ± 0.25

0.594****

1.82 ± 0.34

1.68 ± 0.30

0.023****

CRP (mg/dl)

7.85 [3.47–19.92]

7.1 [3.9–20.1]

0.734***

1 [0.8–1.1]

1.1 [0.9-4.0]

0.016***

Sodium (mEq/l)

137.5 [136–139]

137 [134–138]

0.147***

140 [137-141.25]

138 [135–141]

0.012***

Albumin (g/dl)

3.81 [3.52–4.08]

3.84 [3.62-4.0]

0.977***

4.05 [3.8–4.22]

4.2 [3.9–4.45]

0.021***

Predialysis creatinine

6.95 [5.35–8.63]

6.67 [5.51–7.7]

0.317***

7.15 [6.2–8.92]

8.2 [6.8–9.95]

0.045***

(mg/dl)

Bicarbonate (mEg/l)

22 [19–25]

22 [20–25]

0.902***

21.55 [20.15–23.8]

20.1 [19.2–21.0]

< 0.001***

IDWG (kg)

2.44 ± 0.92

2.73 ± 0.94

0.049****

2.02 ± 0.75

2.09 ± 0.70

0.630****

Commuting time from home to the dialysis center (minute)

18.08 [13.18–28.56]

22 [15.33–29.75]

0.049***

13.87 [9.50-23.25]

18.66 [12.62–29.08]

0.010***

Waiting time after arriving at the dialysis center (minute)

5.83 [4.16–7.16]

6.33 [4.91–7.58]

0.028***

12.16 [7.08–19.27]

15 [9-28.54]

0.083***

Employement status

  

0.214**

  

0.022**

 Working

4 (57.1)

3 (42.9)

10 (71.4)

4 (28.6)

 Unemployed

56 (31.1)

124 (68.9)

36 (38.7)

57 (61.3)

High-flux dialyzer use

  

0.013*

107 (100)

-

 Yes / No

47 (38.5) / 13 (20)

75 (61.5) / 52 (80)

  1. Descriptive measures displayed: n (%), mean ± standard deviation or median [IQR]. *Chi-sqaure test, **Fisher’s Exact Test, ***Mann-Whitney U Test, ****Independent Sample t Test. HD: Hemodialysis; Hgb: Hemoglobin; BMI: Body mass index; CRP: C-Reactive Protein; HTC: Hematocrit; PTH: Parathyroid hormone; WBC: White blood cell count; UF: Ultrafiltration