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Table 3 Three multiple linear regression models to identify independent significant factors that explain liver stiffness

From: Effects of patient factors on noninvasive liver stiffness measurement using acoustic radiation force impulse elastography in patients with chronic hepatitis C

Variable Model 1 Model 2 Model 3
B SE P B SE P B SE P
Age, year -.003 .004 .512 -.004 .004 .353 -.004 .004 .366
Male gender -.193 .084 .024 -.194 .083 .020 -.124 .085 .147
BMI, kg/m2 .032 .013 .013 .036 .012 .005 .026 .012 .041
INR .972 .572 .092 .890 .564 .117 1.146 .573 .048
Platelet, x109/L -.003 .001 .002 -.003 .001 .003 -.002 .001 .007
METAVIR          
F2 .089 .113 .430 .049 .113 .666 .123 .114 .284
F3 .739 .154 <.001 .670 .155 <.001 .670 .161 <.001
F4 .989 .168 <.001 .954 .165 <.001 .892 .171 <.001
ALT/ULN          
1<2x .307 .110 .006       
2<3x .429 .122 .001       
3 .523 .133 <.001       
ActiTest A score     .717 .163 <.001    
METAVIR A          
A1        .189 .100 .061
A2-3        .551 .144 <.001
R2   .661    .662    .651  
adjusted R2   .629    .636    .620  
  1. Variable references: female gender, METAVIR F1, ALT/ULN <1x, METAVIR A0; ALT, serum alanine aminotransferase; B, coefficient; INR, international normalized ratio of prothrombin time; SE, standard error of coefficient; ULN, upper limit of normal.