Table 3 The results of univariate meta-regression for primary outcome measures.

From: Therapeutic effects and mechanisms of Tripterygium wilfordii extracts in rheumatoid arthritis: a systematic review and meta-analysis of preclinical studies

Variable

Arthritis index

Histopathological score

Coefficient

SE

95% CI

P value

Coefficient

SE

95% CI

P value

Animal species

1.230

0.599

0.010,

2.450

0.048

2.125

0.725

0.546,

3.704

0.013

Animal sex

0.830

0.775

-0.748,

2.409

0.292

1.088

0.739

-0.522,

2.698

0.167

Extract category

0.136

0.452

-0.784,

1.056

0.765

1.145

0.388

0.301,

1.990

0.012

Extract dosage

-0.067

0.624

-1.339,

1.204

0.915

-1.205

0.876

-3.113,

0.703

0.194

Treatment duration

-0.927

0.994

-2.953,

1.098

0.358

-0.372

1.824

-4.347,

3.603

0.842

Sample size

-0.058

0.038

-0.136,

0.019

0.137

0.007

0.114

-0.240,

0.255

0.950

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