Table Info

Table 2.

Assessed risk of bias of included studies using the ROBINS-I tool

Study	Type of bias							Overall bias risk
Study	Confounding	Selection of participants	Classification of intervention	Deviations from intended interventions	Missing data	Measurement of outcomes	Selection of reported results	Overall bias risk
Afaq et al. [7]	Moderate	Moderate	Moderate	Low	Moderate	Low	Low	Moderate
Broadhurst et al. [8]	Low	Low	Low	Low	Low	Low	Low	Low
Choudry et al. [9]	Low	Low	Low	Low	Moderate	Low	Low	Moderate
Clarke et al. [10]	Low	Low	Moderate	Low	Low	Moderate	Low	Moderate
Donnelly et al. [11]	Low	Low	Low	Low	Low	Low	Low	Low
McAllister et al. [12]	Low	Low	Low	Low	Low	Low	Low	Low
Talbot et al. [13]	Low	Low	Moderate	Low	Low	Low	Low	Low
Tyagi et al. [14]	Low	Moderate	Low	Low	Low	Low	Low	Moderate
Westacott et al. [15]	Low	Low	Low	Moderate	Moderate	Moderate	Low	Low

Declarations

Author contributions

NB: Conceptualisation, investigation, writing—original draft preparation, Writing—review & editing. EK: Conceptualisation, investigation, Writing—review & editing. DF and DP: Investigation, Writing—review & editing. CM: Conceptualisation, supervision, Writing—review & editing. All authors read and approved the submitted version.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

Not Applicable.

Consent to participate

Not Applicable.

Consent to publication

Not Applicable.

Availability of data and materials

All data is from studies referenced in the manuscript.

Funding

Not Applicable.

Copyright

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