ارزش تشخيصي علايم باليني در درمان فارنژيت استرپتوكوك بتاهموليتيك گروه A

POSITIVE PREDICTIVE VALUE OF CLINICAL SYMPTOMS INDIA GNOSIS OF STREPTOCOCCAL PHARYNGITIS

Streptococcus 13 hemolyticus group A is the leading cause of pharyngitis and responsible for 15"/o of sorethroats in the pediatric age group proper diagnosis requires proper clinical examination and laboratory tests which include Rapid Antigen tests and throat culture. Rapid Antigen tests are not available in our country and throat cultures are time consuming and unfortunately not performed correctly in our country. This study therefore suggess a clinical scoring system to aid clinicians exposed to this problem ʹgive a shot or notʹ for sore throat. This cross sectional study have performed on 250 children with sore throat attendeing in out patient clinic. First all symptoms and signs of patients recorded and then a throat culture were taken. Each sign or symptom recieved score one if exite included fever , lymphadenopathy , location of sore throat absent of sneezing , cough and rhinorrhea , abdominal pain and headache ;mean score according to this system for streptococcal culture positive was 7.9 and 4.3 for negative ones . 85% of patient with score 8 or above had positive culture and less than 20% of patient with score 5 or lower were positive , rate of culture positive for scores 6 and 7 was 50-55 percent. High sensivity among above items belong to fever and lymphadenopathy and high specitity belong to exudae and abdominal pain table (1) showed these scoring and rate of positivity.