# Table 2

Proportional-odds logistic regression models.

Model 1

OR [95%CI]

p-value

Model 2

OR [95%CI]

p-value

Model 3

OR [95%CI]

p-value

Model 4

OR [95%CI]

p-value

Model 5

OR [95%CI]

p-value

4.45

4.42

4.28

4.25

4.14

lnLAP

[3.42 to 5.79]

[3.36 to 5.80]

[3.28 to 5.58]

[3.24 to 5.58]

[3.17 to 5.40] p < 0.001

p < 0.001

p < 0.001

p < 0.001

p < 0.001

Male sex

--

1.78

1.88

1.72

1.79

[1.23 to 2.57]

[1.31 to 2.69]

[1.18 to 2.49]

[1.25 to 2.58]

p = 0.002

p < 0.001

p = 0.004

p = 0.011

Age (years)

--

0.99

--

0.99

--

[0.98 to 1.01]

[0.98 to 1.01]

p = 0.232

p = 0.316

SLD

--2;

--

--

1.70

1.72

[1.20 to 2.41]

[1.21 to 2.44]

p = 0.003

p < 0.001

n

588

588

588

588

588

p-Brant test

0.560

0.518

0.704

0.273

0.331

p-HL none vs. intermediate + severe steatosis

0.021

0.402

0.836

0.584

0.315

p-HL none + intermediate vs. severe steatosis

0.236

0.383

0.398

0.594

0.676

AUROC

0.78

0.79

0.79

0.80

0.79

none vs. (intermediate + severe) steatosis

[0.74 to 0.82]

[0.76 to 0.83]

[0.76 to 0.83]

[0.76 to 0.83]

[0.76 to 0.83]

AUROC

0.78

0.79

0.79

0.80

0.80

(none + intermediate) vs. severe steatosis

[0.74 to 0.82]

[0.75 to 0.83]

[0.76 to 0.83]

[0.76 to 0.84]

[0.76 to 0.84]

BIC

1015

1014

1009

1012

1007

Abbreviations: OR = odds ratio; 95%CI = 95% confidence intervals; p-value = p-value for the regression coefficient (exponentiated and presented as odds ratio); lnLAP = natural logarithm of the lipid accumulation product; SLD = suspected liver disease; p-Brant = p-value associated with the Brant test of proportional odds; p-HL = p-value associated with the Hosmer Lemeshow statistics of the 2 binary models underlying the proportional-odds model; AUROC = area under the ROC curve; BIC = Bayesian information criterion.

Bedogni et al. BMC Gastroenterology 2010 10:98   doi:10.1186/1471-230X-10-98