Prospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Oct 14, 2016; 22(38): 8615-8623
Published online Oct 14, 2016. doi: 10.3748/wjg.v22.i38.8615
Table 2 Mean Incidence of achalasia according to different region of country
Regions of countryMid-period population 1990 to 2014 (2002)Cases, nCases/105 habitants/yr95%CI
R1 North126893076930.21840.1811-0.2501
R2 High plains155016714880.12560.0921-0.1536
R3 South3870607750.07720.0432-0.1121