Sample selection

The sample was selected from the out patient department registered & enrolled in Shifa ul Mulk Memorial Hospital and on the basis of stool D/R and inclusion and exclusion criteria the patient fulfilling the secretory diarrhea criteria as candidates were selected. The study period include was from 2007 to 2009. Among this population all the patient suffering from secretory diarrhea were interviewed immediately and upon their consent to participate they were grouped as test and control groups.