TABLE 9.

Meta‐analysis for the Gingival Bleeding index using a random model

Gingival Bleeding Index	Number of comparisons	Comparison	Effect size			Heterogeneity		Online Appendix number
			DiffM	95% CI	p‐Value	I 2	p‐Value	Forrest plot	Funnel plot	TSA
										Number	TSA does research the RIS or not (yes/no)
Goyal et al. (2009) 55 Klukowska et al. (2012) 62 Klukowska et al. (2013) 63 Klukowska et al. (2014‐12w) 66 Klukowska et al. (2014‐6wCOL) 67 Klukowska et al. (2014‐6wPH) 68 Ccahuana‐Vasquez et al. (2015) 69 Starke et al. (2017) 72 Ccahuana‐Vasquez et al. (2018) 74 Mirza et al. (2019) 76 Adam et al. (2020) 77 Goyal et al. (2021) 78	12	Baseline	−0.01	(−0.03; 0.01)	0.48	82%	<0.00001	S15A	S15B	NA	NA
		End	0.01	(−0.01; 0.02)	0.29	93%	<0.00001	S15C	S15D	S15E	No
		Difference	0.01	(−0.00; 0.02)	0.08	90%	<0.00001	S15F	S15G	NA	NA

Note: p‐values are presented in bold if p ≤ 0.05.

Abbreviations: ?, Unclear; NA, Not applicable; RIS, Required Information Size; TSA, Trial sequential analysis.