prevalence of mitral valve prolapse among egyptian school children: clinical diagnosis versus colour/Doppler echocardiography

In this study, 51362 children [26538 males and 24824 females] were selected by systemic random sampling representing 4% from the total number of children in both primary schools [group I = 33297 children] and preparatory schools [group II = 18065 children] in Cairo. They were subjected to auscultation which revealed MVP criteria in only 221 children; 100 children in group I and 121 children in group II with a high statistical significant difference. Those 221 children were subjected to EGG, CXR and color/Doppler echocardiographic examination. It was found that only 120 children have MVP, 52 children from group I and 68 children from group II with a high statistical significant difference