Table 5.

Quality assessment tools.

Study design	Quality assessment tool	Score range
Systematic reviews with/without meta-analysis	AMSTAR II	High Quality: (7 < score <= 16); Low Quality: (0 < = score < 7)
Guidelines	AGREE II	Acceptability: No: Overall Score 1–2 Yes with Modifications: Overall Score 3–5 Yes: Overall Score 6–7
NSR—observational	Newcastle-Ottawa scale	Good Quality: 3 or 4 stars in the Selection domain AND 1 or 2 stars in the Comparability domain AND 2 or 3 stars in the Outcome/Exposure domain Fair Quality 2 stars in the Selection domain AND 1 or 2 stars in the Comparability domain AND 2 or 3 stars in the Outcome/Exposure domain Poor Quality 0 or 1 star in the Selection domain AND 1 or 2 stars in the Comparability domain AND 2 or 3 stars in the Outcome/Exposure domain
Qualitative study	Nice qualitative checklist	++: Score 8.5 to 12 +: Score 4 to 8 –: Score 0.5 to 3.5
Scoping reviews	n.a.	n.a.