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Table 1 Characteristics of Study by Liver Disease, NHANES, 2001–2012

From: Non-alcoholic Fatty Liver Disease (NAFLD) is associated with impairment of Health Related Quality of Life (HRQOL)

Variables

HCV

NAFLD

Control

P valuea

P valueb

P valuec

(n = 346)

(n = 3333)

(n = 5982)

Age (years): mean (SE)

48.86 (0.50)

51.31 (0.36)

47.50 (0.39)

0.058

<.0001

<.0001

Body Mass Index (kg/m2): mean (SE)

27.26 (0.41)

33.66 (0.14)

26.22 (0.10)

0.037

<.0001

<.0001

Male

228 (66.87 %)

1817 (57.79 %)

3103 (50.03 %)

<.0001

<.0001

0.014

Race,

   

<.0001

0.034

<.0001

 White

134 (63.53 %)

1612 (72.46 %)

3221 (75.15 %)

   

 Black

137 (22.87 %)

684 (10.88 %)

1164 (9.50 %)

   

 Other

75 (13.60 %)

1037 (16.66 %)

1597 (15.35 %)

   

Comorbid disease,

      

 Diabetes

56 (13.03 %)

918 (20.75 %)

503 (6.05 %)

<.0001

<.0001

0.010

 Hyperlipidemia

177 (44.12 %)

2051 (57.01 %)

2286 (32.50 %)

<.0001

<.0001

<.0001

 High blood pressure

119 (29.46 %)

2020 (58.99 %)

2351 (38.35 %)

0.009

<.0001

<.0001

 Insulin resistance

81 (47.34 %)

2147 (66.03 %)

442 (12.24 %)

<.0001

<.0001

<.0001

 Heart disease

47 (9.46 %)

540 (13.83 %)

558 (6.79 %)

0.119

<.0001

0.040

 Asthma

44 (14.62 %)

394 (12.69 %)

433 (7.87 %)

0.001

<.0001

0.468

NHANES cycle,

   

0.135

0.696

0.152

 2001–2002

71 (24.07 %)

541 (16.24 %)

1022 (16.73 %)

   

 2003–2004

49 (16.81 %)

534 (17.15 %)

856 (15.29 %)

   

 2005–2006

41 (13.80 %)

499 (16.98 %)

893 (16.47 %)

   

 2007–2008

75 (18.37 %)

630 (17.07 %)

1056 (16.63 %)

   

 2009–2010

53 (11.37 %)

602 (15.22 %)

1117 (16.74 %)

   

 2011–2012

57 (15.58 %)

527 (17.35 %)

1038 (18.13 %)

   
  1. Pvalues were reported by chi-square test for categorical variables and t-test for numerical variables;
  2. aComparisons between HCV and Control
  3. bComparisons between NAFLD and Control
  4. cComparisons between HCV and NAFLD