Open Access

Table 1

Summary characteristics of included studies.

Characteristics n (60 studies) %
Publication year
 2010–2019 26 43.0
 2000–2009 19 32.0
 2020–2024 14 23.0
 Before 2000 1 2.00
Study designs
 Cross-sectional study 57 95.0
 Cohort study 3 5.00
Study regions
 Central Thailand 20 33.0
 Eastern Thailand 12 20.0
 Northern Thailand 8 13.0
 Western Thailand 6 10.0
 Northeastern Thailand 6 10.0
 Southern Thailand 4 7.00
 More than two regions 4 7.00
Types of participants
 Villagers 17 28.0
 School children 13 22.0
 Military personnel 5 8.00
 Hill-tribe children 3 5.00
 Orphans 3 5.00
 Orphans, childcare workers 2 3.00
 Preschool children 2 3.00
 School children, villagers 2 3.00
 Pig handlers, villagers near pig farms 2 3.00
 Mentally disabled people 2 3.00
 School children, preschool children 2 3.00
 Children and caregivers 1 1.50
 Food handlers 1 1.50
 Gardeners 1 1.50
 Monks or nuns, villagers 1 1.50
 Participants at a Home for Girls 1 1.50
 Thai laborers 1 1.50
 Participants who enrolled in annual check-up programs 1 1.50
Diagnostic method for Blastocystis
 Concentration method (alone or with direct smear) 25 42.0
 Molecular method (alone or with other methods) 19 32.0
 Culture (with non-molecular methods) 10 17.0
 Direct smear (only) 6 10.0

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