Skip to main content

Table 2 Subgroup meta-analysis by region, type of study, diagnostic method and group size for the summarized proportion of NAFLD patients with normal ALT in overall NAFLD patients

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

Variable

Summarized proportion

95% CI

I2

P value

Number of studies

Overall estimate

0.24

[0.19; 0.30]

92%

< 0.01

11

Region

 North America

0.24

[0.16; 0.36]

97%

< 0.01

4

 Asia

0.30

[0.25; 0.35]

52%

0.05

4

 Europe

0.19

[0.14; 0.26]

72%

< 0.01

3

Type of study

 Retrospective cohort study

0.21

[0.16; 0.28]

87%

< 0.01

6

 Prospective cohort study

0.32

[0.22; 0.43]

85%

< 0.01

3

 Cross-sectional analysis

0.27

[0.19; 0.37]

85%

< 0.01

2

Diagnostic method

 Histology

0.22

[0.17; 0.28]

85%

< 0.01

8

 MRI

0.43

[0.39; 0.38]

NA

NA

1

 Ultrasonography

0.26

[0.20; 0.34]

83%

< 0.01

2

Group size

 More than 300

0.22

[0.14; 0.31]

97%

< 0.01

5

 300 or less than 300

0.27

[0.23; 0.33]

46%

0.06

6

  1. Abbreviation: CI Confidence interval