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Acta Neurologica Scandinavica
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Acta Neurologica Scandinavica
/
2024
/
Article
/
Tab 2
/
Review Article
The Role of Biomarkers Pituitary Adenylate Cyclase-Activating Polypeptide (PACAP) and Vasoactive Intestinal Peptide (VIP) in Chronic and Episodic Migraines: A Meta-Analysis
Table 2
Result of risk of bias assessment of the included studies.
Study
Bias domains
Selection of comparison groups
Bias due to confounding
Ascertainment of exposure
Measurement of outcomes
Missing data
Reporting of results
Overall risk of bias
Han et al. [
31
]
Low
Low
Low
Low
Low
Low
Low
Morollon “1” et al. [
16
]
Moderate (only women were assigned controls)
Low
Low
Moderate (no measurement for episodic migraine)
Low
Low
Moderate
Morollon “2” et al. [
17
]
Low
Moderate (all patients were females)
Low
Low
Low
Low
Moderate
Pereda et al. [
3
]
Low
Low
Low
Low
Low
Low
Low
Togha et al. [
25
]
Low
Moderate (patients were under treatment with onabotulinum toxin type A)
Low
Low
Low
Low
Moderate