Skip to main content

Table 1 Patients’ characteristics according to liver function. (To be placed after ‘Results’ subsection ‘Patient’s characteristics’)

From: Impact of race-independent equations on estimating glomerular filtration rate for the assessment of kidney dysfunction in liver disease

Characteristics

Na

Preserved Liver Function,b N = 143

Reduced Liver Function,cN = 60

p-valued

q-valuee

Center, n / N (%)

203

  

 < 0.001

 < 0.001

 Lyon (n = 48)

 

13 / 143 (9.0%)

35 / 60 (58.0%)

  

 Rochester (n = 155)

 

130 / 143 (91.0%)

25 / 60 (42.0%)

  

Age, Mean (SD) (years)

203

58.5 (12.6)

58.0 (10.0)

0.3

0.4

Age Group, n / N (%)

203

  

0.029

0.049

  < 40 years

 

12 / 143 (8.4%)

4 / 60 (6.7%)

  

 40–65 years

 

80 / 143 (56.0%)

45 / 60 (75.0%)

  

  > 65 years

 

51 / 143 (35.6%)

11 / 60 (18.3%)

  

Sex, n / N (%)

203

  

0.13

0.2

 female

 

53 / 143 (37.0%)

15 / 60 (25.0%)

  

 male

 

90 / 143 (63.0%)

45 / 60 (75.0%)

  

Ethnicity

203

  

0.3

0.4

 Black

 

5 / 143 (3.5%)

0 / 60 (0%)

  

 Non-black

 

138 / 143 (96.5%)

60 / 60 (100%)

  

Height (cm), Mean (SD)

203

171.1 (10.3)

171.0 (8.8)

0.8

0.9

Weight (kg), Mean (SD)

203

88.6 (22.1)

84.1 (17.8)

0.3

0.4

BMI (kg/m2), Mean (SD)

203

30.2 (6.9)

28.7 (5.7)

0.2

0.3

BMI Category, n / N (%)

203

  

0.7

0.8

  < 20

 

3 / 143 (2.1%)

2 / 60 (3.3%)

  

 20–25

 

31 / 143 (22%)

14 / 60 (23.3%)

  

 25–30

 

49 / 143 (34%)

23 / 60 (38.3%)

  

  > 30

 

60 / 143 (42%)

21 / 60 (35.1%)

  

SBP (mmHg), Mean (SD)

203

129.4 (18.6)

120.5 (19.8)

0.001

0.003

DBP (mmHg), Mean (SD)

203

76.9 (11.4)

70.1 (11.4)

 < 0.001

 < 0.001

BP Category, n / N (%)

203

  

0.006

0.012

 Normal

 

35 / 143 (24.5%)

29 / 60 (48.0%)

  

 Elevated

 

22 / 143 (15.4%)

10 / 60 (17.0%)

  

 Stage I Hypertension

 

37 / 143 (25.9%)

9 / 60 (15.0%)

  

 Stage II Hypertension

 

49 / 143 (34.2%)

12 / 60 (20.0%)

  

 No BP Measurement

 

0 / 143 (0.0%)

0 / 60 (0.0%)

  

CKD Stage, n / N (%)

203

  

0.022

0.039

 G1

 

22 / 143 (15.0%)

12 / 60 (20.0%)

  

 G2

 

48 / 143 (34.0%)

13 / 60 (21.7%)

  

 G3a

 

36 / 143 (25.0%)

16 / 60 (26.7%)

  

 G3b

 

27 / 143 (19.0%)

6 / 60 (10.0%)

  

 G4

 

9 / 143 (6.3%)

12 / 60 (20.0%)

  

 G5

 

1 / 143 (0.7%)

1 / 60 (1.6%)

  

Encephalopathy, n / N (%)

203

  

 > 0.9

 > 0.9

 No

 

141 / 143 (98.6%)

59 / 60 (98.3%)

  

 Yes

 

2 / 143 (1.4%)

1 / 60 (1.7%)

  

Ascites, n / N (%)

203

  

 < 0.001

 < 0.001

 Not Present

 

143 / 143 (100.0%)

18 / 60 (30.0%)

  

 Present

 

0 / 143 (0%)

42 / 60 (70.0%)

  

MELD Score, Mean (SD)

197

10.4 (3.3)

19.4 (8.6)

 < 0.001

 < 0.001

(Missing, n)

 

1

5

  

Hepatic Dysfunction, n / N (%)

197

  

 < 0.001

 < 0.001

 MELD ≤ 15

 

130 / 142 (91.5%)

18 / 55 (33.0%)

  

 MELD > 15

 

12 / 142 (8.5%)

37 / 55 (67.0%)

  

 (Missing, n)

 

1

5

  

Child–Pugh Class, n / N (%)

203

  

 < 0.001

 < 0.001

 Class A

 

143 / 143 (100.0%)

6 / 60 (10.0%)

  

 Class B

 

0 / 143 (0.0%)

45 / 60 (75.0%)

  

 Class C

 

0 / 143 (0.0%)

9 / 60 (15.0%)

  

Serum Creatinine (mg/dL), Mean (SD)

203

1.36 (0.67)

1.14 (0.61)

 < 0.001

0.002

Serum Cystatin C (mg/L), Mean (SD)

203

1.60 (0.65)

1.68 (0.78)

0.8

0.9

Serum albumin (g/dL), Mean (SD)

202

4.20 (0.41)

3.24 (0.58)

 < 0.001

 < 0.001

(Missing, n)

 

0

1

  

mGFR,f Mean (SD)

203

62.5 (26.5)

59.9 (31.5)

0.3

0.4

eGFRcr(ASR),f Mean (SD)

203

61.6 (26.9)

77.3 (31.2)

 < 0.001

0.002

eGFRcr(AS),f Mean (SD)

203

64.3 (27.1)

80.1 (30.9)

 < 0.001

0.002

eGFRcr-cys(ASR),f Mean (SD)

203

54.5 (24.2)

61.5 (28.9)

0.10

0.2

eGFRcr-cys(AS),f Mean (SD)

203

56.8 (25.0)

63.3 (29.6)

0.2

0.2

GFRNMR,f Mean (SD)

203

60.3 (23.5)

59.2 (25.4)

0.7

0.8

  1. Abbreviations: AS age and sex, ASR age, sex and race, BMI body mass index, BP blood pressure, CKD chronic kidney disease, CP class Child–Pugh class, DBP diastolic blood pressure, eGFR estimated glomerular filtration rate, MELD Model for End-stage Liver Disease, mGFR measured glomerular filtration rate, SBP systolic blood pressure, SD standard deviation
  2. aTwo (out of 205) samples had no assigned Child–Pugh (CP) score and were therefore omitted from the calculations (see Fig. 1); bPreserved Liver Function, defined as CP class A without ascites; cReduced Liver Function, defined as CP class A with ascites, CP class B or CP class C;dStatistical tests performed: chi-square test of independence, Wilcoxon rank-sum test, Fisher’s exact test; eBenjamini & Hochberg correction for multiple testing; f ml/min/1.73 m2 of body-surface area