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Table 2 Clinical and pathological characteristics of EPS patients (n = 10), non-EPS patients with lavage (n = 30), and non-EPS patients without lavage (n = 22)

From: Significance of new membrane formation in peritoneal biopsies of peritoneal dialysis patients: a case–control study

 

EPS patients (n = 10)

Non-EPS patients with lavage (n = 30)

Non-EPS patients without lavage (n = 22)

p value

Age

56.7 ± 5.7‡

58.5 ± 9.5*

44.1 ± 17.5*‡

<0.0041*

<0.011‡

<0.0001 (KW)

Gender

M5/F5

M19/F11

M13/F9

NS (Χ2 test)

PD duration (m)

124.5 ± 34.2*‡

94.8 ± 33.7*

91.4 ± 30.3‡

<0.031*

<0.021‡

<0.0001 (KW)

Lavage (%)

3/10 (30%)

30/30 (100%)

0/22 (0%)

ND

PET category: H/HA/LA/L

ND

4/7/4/1

4/5/5/0

NS (Χ2 test)

Average thickness of SMC (μm)

636.2 ± 409.4‡

603.8 ± 386.6*

336.0 ± 116.3*‡

<0.0031*

<0.05‡

0.063 (KW)

Average L/V ratio

0.33 ± 0.22‡

0.39 ± 0.20*

0.53 ± 0.24*‡

<0.028*

<0.031‡

0.048 (KW)

Prevalence of NFM

8/10 (80%)

13/30 (43.3%)

1/22(4.5%)

<0.0001

(Χ2 test)

Stage of NFMs (I/II/III)

5/2/1

0/6/7

0/1/0

ND

  1. Mean ± sd
  2. PET peritoneal equilibration test, H high, HA high average, LA low average, L low, SMC submesothelial compact zone, L/V lumen/vessel diameter, NFM newly formed membrane, NS not significant, ND not done, KW Kruskal–Wallis