The association between genetic variants in lactotransferrin and dental caries: a meta- and gene-based analysis

BMC Medical Genetics

Table 1 Basic characteristics of all the studies included in the analyses

Study	Year of publication	Country/origin	Ethnicity	Dental caries			Control			Diagnosis of dental caries	NOS
Study	Year of publication	Country/origin	Ethnicity	n	Age	Male (%)	n	Age	Male (%)	Diagnosis of dental caries	NOS
Azevedo et al.	2010	Brazil	Caucasian	62	12	–	48	12	–	DMFT	7
Fine et al.	2013	US	Mixed	17	–	–	33	–	–	Radiolucency	5
Volckova et al.	2014	European countries	Caucasian	482	11–13	50.00	155	11–13	52.90	DMFT	7
Doetzer et al.	2015	Brazil	Mixed	346	12	45.3	331	12	44.1	DMFT	9
Wang et al.	2017	China	Asian	505	3.48 ± 0.58	52.70	500	3.64 ± 0.33	49.00	DMFT	8
Wang et al.	2018	China	Asian	507	3.52 ± 0.51	52.64	403	3.57 ± 0.33	48.90	DMFT	8

Data for age were presented as mean, mean ± SD or range
SD Standard deviation, NOS the Newcastle–Ottawa scale, DMFT Decayed, missing and filled teeth index

ISSN: 1471-2350