Table 1. The current prevalence of GERD, diagnosed by a symptom-based approach in Asian countries.

Author	Year	Country	Setting	Prevalence of GERD (%)	Comments
Wang et al. [28]	2016	India	Community-based	22.2	Comparable with the rate in Western countries
Hung et al. [29]	2011	Taiwan	Community-based	25	Emerging as a common disorder in Taiwan
Murao et al. [31]	2011	Japan	Health exam program	23.5	Increasing along with lifestyle changes
Kim et al. [34]	2012	Korea	NHI claim data	7.3	Rapidly increasing

GERD = gastroesophageal reflux disease; NHI = National Health Insurance.