Linear discriminant analysis of symptoms in patients with chronic constipation: Validation of a new scoring system (KESS)

Aim To devise a symptom scoring system (KESS) to assist in diagnosing constipation and in discrimi nating between patho-physiological sub-&roups.Method A structured symptom scoring questionn aire (I I questions) was ~ompleted by 71 chronically constipated patients, and by 20