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Table 1 Features of the 11 studies included in this meta-analysis

From: Proportion of NAFLD patients with normal ALT value in overall NAFLD patients: a systematic review and meta-analysis

Study

Type of Study

Country

NAFLD patients with normal ALT (n)

Overall patients (n)

Diagnostic methods

NOS score

Mofrad et al.,200321

Retrospective

USA

51

386

Histology

7

Amarapurkar et al.,200422

Prospective

India

25

81

Histology

7

Fracanzani et al.,200823

Retrospective

Italy

63

458

Histology

7

Uslusoy et al.,200924

Retrospective

Turkey

9

34

Histology

7

Wong et al.,200925

Prospective

HongKong (China)

38

173

Histology

7

Verma et al.,201326

Retrospective

USA

56

222

Histology

7

McPherson et al.,201327

Retrospective

UK

70

305

Histology

7

Maximos et al.,201528

Prospective

USA

165

380

MRI

7

Umehara et al.,201814

Cross-sectional

USA

353

1616

Ultrasonography

NA

Sheng et al.,201813

Retrospective

China

69

212

Ultrasonography

7

Sun et al.,201915

Cross-sectional

China

75

217

Histology

NA

  1. Abbreviation: CI Confidence interval