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 1 Mean incidence of achalasia between 1990-2014
Year intervalMid-period populationCases, nMean incidence, (cases/105 inhabitants/yr)95%CI
1990-199728385621870.040.028-0.025
1998-2005323706182740.1080.072-0.144
2006-2014371286188950.2680.215-0.321