Skip to main content

Table 3 GRADE certainty of evidence

From: Vaccination and the risk of systemic lupus erythematosus: a meta-analysis of observational studies

Outcome

Exposure

Study numbers

GRADE

Evidence quality

Risk of bias

Inconsistency

Indirectness

Imprecision

Publication bias

SLE

Any vaccine

17

0

-1a

0

0

0

Very Low

SLE

HPV vaccine

7

0

-1a

0

0

0

Very Low

SLE

HBV vaccine

4

0

-1a

0

0

0

Very Low

SLE

Influenza vaccine

2

0

0

0

0

0

Low

SLE

COVID-19 vaccine

2

0

-1a

0

0

0

Low

SLE

Case-control study

7

0

-1a

0

0

0

Very Low

SLE

Cohort study

10

0

-1a

0

0

0

Very Low

SLE

North America

7

0

-1a

0

0

0

Very Low

SLE

Europe

7

0

0

0

0

0

Low

SLE

Asia

3

0

-1a

0

0

0

Very Low

SLE

Observation time ≥ 180 days

8

0

0

0

0

0

Low

SLE

Observation time < 180 days

8

0

-1a

0

0

0

Very Low

  1. SLE: systemic lupus erythematosus, Explanations: a. high heterogeneity