Fig. 1

Diagnostic prevalence of Strongyloides stercoralis infection by FECT in 19 provinces in northeast Thailand. The map of Thailand was modified from a map in The World Factbook, published by the Central Intelligence Agency [Central Intelligence Agency [US]. The World Factbook is available at: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/th.html Accesed 1 July 2017]. Remark; ANC = Amnat Charoen, BR = Buriram, CP = Chaiyaphum, KS = Kalasin, KK = Khon Kaen, LO = Loei, MS = Maha Sarakham, MDH = Mukdahan, NP = Nakhon Phanom, NR = Nakhon Ratchasima, NBL = Nong Bua Lamphu, NK = Nong Khai, RE = Roi Et, SKN = Sakon Nakhon, SK = Sisaket, SR = =Surin, UBR = Ubon Ratchathani, UDT = Udon Thani and YS = Yasothon. Classified group by quartiles