Table 1

Characteristics of the studies included in the systematic review and meta-analysis

Study	Year	Number of patients	Follow-up (years)	AF diagnosis	Dementia diagnosis	Study quality*
Dublin et al4	2011	3045	6.8	ICD codes	DSM-IV	High
Marzona et al5	2012	31 506	4.7	ECG, medical records	MMSE	High
de Bruijn et al6	2015	6514	12.5	ECG, medical records	DSM-III revised	High
Singh-Manoux et al7	2017	7428	14.7	ECG, ICD codes	ICD codes	High
Chen et al8	2018	12 515	20.2	ECG, ICD codes	National Institute on Aging–Alzheimer’s Association work groups, DSM-V	High

*The items considered for assigning study quality were selection bias, detection bias and performance bias; high quality: no bias; moderate quality: one bias; low quality: two or more bias.
DSM, Diagnostic and Statistical Manual of Mental Disorders;ICD, International Classification of Diseases;MMSE, Mini-Mental State Exam.