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Table 1. Demographic and clinical characteristics of 91 PD patients, including patients in 2 groups of PNI

From: Association between prognostic nutritional index and peritoneal dialysis discontinuation: a retrospective cohort study

  

Overall

PNI

P value

<40

≥ 40

(n = 91)

(n = 42)

(n = 49)

Age (years)

Mean (SD)

57.1 (13.4)

59.6 (12.9)

55.1 (13.7)

0.104

Sex (men)

n (%)

56 (61.5)

27 (64.2)

29 (59.2)

0.777

Diabetes mellitus

n (%)

40 (44.0)

25 (59.5)

15 (30.6)

0.011

Cause of end stage kidney disease

    

0.013

Diabetes nephropathy

n (%)

30 (33.0)

20 (47.6)

10 (20.4)

 

Glomerulonephritis

n (%)

34 (37.4)

10 (23.8)

24 (49.0)

 

Nephrosclerosis

n (%)

14 (15.4)

6 (14.2)

8 (16.3)

 

Others

n (%)

10 (11.0)

6 (14.2)

4 (8.1)

 

Unknown

n (%)

3 (3.2)

0

3 (6.1)

 

CVD history

n (%)

22 (24.2)

14 (33.3)

8 (16.3)

0.100

Height (cm)

Median (IQR)

160.4 (152.3,169.8)

157.9 (149.7,169.3)

162.4 (154.1,170.0)

0.232

Weight (kg)

Median (IQR)

60.4 (51.5,69.3)

59.4 (51.5,70.0)

60.8 (52.0,69.1)

0.846

BMI (kg/m2)

Median (IQR)

23.0 (21.0,26.3)

24.4 (20.9,27.0)

22.5 (21.0,25.0)

0.210

Systolic blood pressure (mmHg)

Mean (SD)

136.0 (19.4)

140.3 (21.8)

132.3 (16.3)

0.048

Diastolic blood pressure (mmHg)

Mean (SD)

78.0 (12.2)

78.3 (14.2)

77.7 (10.2)

0.797

Urine volume (ml)

Median (IQR)

1263.5 (1005.5,1652.2)

1168.5 (1000.0,1560.0)

1367.5 (1125.8,1897.0)

0.025

RAAS inhibitor

n (%)

69 (76.7)

34 (81.0)

35 (72.9)

0.516

Statin

n (%)

39 (43.3)

15 (35.7)

24 (50.0)

0.250

Diuresis

n (%)

52 (57.8)

29 (69.1)

23 (47.9)

0.070

Icodextrin

n (%)

36 (40.0)

24 (57.1)

12 (25.0)

0.004

CAPD

n (%)

50 (55.0)

24 (57.1)

26 (53.0)

0.858

Laboratory variables

     

WBC(103/μl)

Median (IQR)

6.1 (4.8,7.1)

6.0 (4.9,7.1)

6.2 (4.5,7.1)

0.918

Lymphocyte (%)

Mean (SD)

22.1 (8.1)

19.0 (6.8)

24.8 (8.1)

<0.001

Hb (g/dL)

Median (IQR)

9.5 (8.5,10.2)

8.9 (8.2,9.8)

9.9 (9.2,10.4)

0.002

Alb (g/dl)

Mean (SD)

3.3 (0.5)

2.9 (0.4)

3.7 (0.4)

<0.001

Cr (mg/dL)

Mean (SD)

9.0 (2.6)

8.2 (2.8)

9.6 (2.2)

0.010

eGFRcr (mL/min/1.73m2 )

Median (IQR)

5.0 (4.0,6.0)

6.0 (5.0,7.0)

5.0 (4.0,5.0)

0.007

CRP (mg/dl)

Median (IQR)

0.2 (0.05,0.6)

0.4 (0.1,1.3)

0.07 (0.05,0.3)

<0.001

Ca (mg/dl)

Median (IQR)

8.3 (8.0,8.8)

8.1 (7.8,8.4)

8.6 (8.3,8.9)

<0.001

P (mg/dl)

Median (IQR)

5.8 (5.0,6.6)

5.3 (4.2,6.4)

6.0 (5.3,6.8)

0.021

intPTH (pg/ml)

Median (IQR)

251.0 (170.0,355.2)

212.0 (129.0,278.0)

294.0 (210.0,383.0)

0.001

PNI

Mean (SD)

40.0 (6.1)

34.6 (3.5)

44.6 (3.7)

<0.001

  1. Categorical variables are presented as percentage; continuous variables are presented as mean±SD or median (IQR)
  2. PNI prognostic nutritional index, PD peritoneal dialysis, IQR interquartile range, SD standard deviation, CVD Cardiovascular disease, BMI body mass index, RAAS renin angiotensin aldosterone system, CAPD continuous ambulatory peritoneal dialysis, WBC white blood cell, Hb hemoglobin, Alb albumin, Cr creatinine, eGFR estimated glomerular filtration rate, CRP C reactive protein, intPTH intact parathyroid hormone