J Spitzer1, E Hennessy, L Neville. 1. Departmental of Environmental and Preventive Medicine, St Bartholomew's and the London School of Medicine and Dentistry, Queen Mary, University of London. j.spitzer@qmw.ac.uk
Abstract
BACKGROUND: General practitioners and the microbiologist serving north Hackney in north east London formed the impression, that of throat swabs sent to the laboratory, a disproportionate number of those positive for group A streptococcus appeared to come from Orthodox Jewish patients. AIM: To confirm the clinical impression that the pharyngeal carriage of group A streptococci was higher in the Orthodox Jewish population than in other members of the population in the same locality. DESIGN OF STUDY: A general practice questionnaire survey of all patients aged three years or over attending two practices that are about one kilometre apart, over a five-week period. SETTING: Two general practices in north London, one of which had a significant Orthodox Jewish patient list. METHODS: Throat swabs were taken from eligible patients who were invited to participate by completing a questionnaire and having a throat swab taken. RESULTS: Swabs were taken from 1223 people. After correction for age (child or adult) and history of recent sore throat, the Orthodox Jewish community had a significantly higher carriage rate of group A streptococci than the rest of the population (odds ratio = 5.0 [2.1 to 11.9]). The proportion of adults with group A streptococci with and without sore throats was 6.4% and 2.4% respectively in the Orthodox Jewish group and 0.45% and 1% respectively in the 'others' group. The proportion of children with group A streptococci with and without sore throats was 17.4% and 5.9% respectively and 3.4% and 0% respectively in the others. These differences were not explained by the larger family size and domestic overcrowding in the Orthodox Jewish group. CONCLUSIONS: Orthodox Jews in north London have a higher pharyngeal carriage rate of group A streptococci than the neighbouring population. These results may have implications for the diagnosis and treatment of acute sore throat in Orthodox Jewish patients, especially children.
BACKGROUND: General practitioners and the microbiologist serving north Hackney in north east London formed the impression, that of throat swabs sent to the laboratory, a disproportionate number of those positive for group A streptococcus appeared to come from Orthodox Jewish patients. AIM: To confirm the clinical impression that the pharyngeal carriage of group A streptococci was higher in the Orthodox Jewish population than in other members of the population in the same locality. DESIGN OF STUDY: A general practice questionnaire survey of all patients aged three years or over attending two practices that are about one kilometre apart, over a five-week period. SETTING: Two general practices in north London, one of which had a significant Orthodox Jewish patient list. METHODS: Throat swabs were taken from eligible patients who were invited to participate by completing a questionnaire and having a throat swab taken. RESULTS: Swabs were taken from 1223 people. After correction for age (child or adult) and history of recent sore throat, the Orthodox Jewish community had a significantly higher carriage rate of group A streptococci than the rest of the population (odds ratio = 5.0 [2.1 to 11.9]). The proportion of adults with group A streptococci with and without sore throats was 6.4% and 2.4% respectively in the Orthodox Jewish group and 0.45% and 1% respectively in the 'others' group. The proportion of children with group A streptococci with and without sore throats was 17.4% and 5.9% respectively and 3.4% and 0% respectively in the others. These differences were not explained by the larger family size and domestic overcrowding in the Orthodox Jewish group. CONCLUSIONS: Orthodox Jews in north London have a higher pharyngeal carriage rate of group A streptococci than the neighbouring population. These results may have implications for the diagnosis and treatment of acute sore throat in Orthodox Jewish patients, especially children.
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