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Table 2 Selection of candidate predictors at bootstrapped stepwise logistic regression.

From: The pediatric NAFLD fibrosis index: a predictor of liver fibrosis in children with non-alcoholic fatty liver disease

 

Model 1

Model 2

Model 3

Male gender

243

241

253

Loge age

1,000

1,000

1,000

BMI

617

625

643

Waist

1,000

1,000

1,000

Loge ALT

378

362

350

Loge AST

281

325

341

GGT

389

363

357

Albumin

439

423

312

INR

189

226

208

Glucose

229

--

--

Loge insulin

286

--

--

HOMA-IR

--

218

--

ISI

--

--

300

Loge triglycerides

999

1,000

1,000

Cholesterol

233

198

161

  1. The bootstrap inclusion fraction, i.e. the number of bootstrap samples out of 1,000 where the candidate predictors were selected, is given. Predictors selected for inclusion in the final model are marked in bold. Abbreviations: loge = natural logarithm; BMI = body mass index; ALT = alanine transaminase; AST = aspartate transaminase; GGT = gamma-glutamyl-transferase; INR = international normalized ratio; HOMA-IR = homeostasis model assessment index of insulin resistance; ISI = insulin sensitivity index.