[Retracted] Tooth Loss and the Incidence of Ischemic Stroke and Transient Ischemic Attack: A Systematic Review and Meta-Analysis

Table 3

Newcastle-Ottawa quality assessment scale for cohort studies.

Cohort study	Selection				Comparability	Outcome			Total
	1	2	3	4		1	2	3
Joshipura et al. (2003)	★	★	☆	★	★★	★	★	★	8
Joshy et al. (2016)	★	★	☆	★	★★	★	☆	★	7
Lee et al. (2019)	★	★	★	★	★★	★	★	★	9
Wu et al. (2000)	★	☆	★	★	★★	★	★	★	8