Publication: Risk factors for penicillin-resistant Streptococcus pneumoniae acquisition in patients in Bangkok
2
Issued Date
2000-12-01
Resource Type
ISSN
01251562
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2-s2.0-0034570538
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Mahidol University
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SCOPUS
Bibliographic Citation
Southeast Asian Journal of Tropical Medicine and Public Health. Vol.31, No.4 (2000), 679-683
Suggested Citation
Charungthai Dejthevaporn, Asda Vibhagool, Ammarin Thakkinstian, Sayomporn Sirinavin, Malai Vorachit Risk factors for penicillin-resistant Streptococcus pneumoniae acquisition in patients in Bangkok. Southeast Asian Journal of Tropical Medicine and Public Health. Vol.31, No.4 (2000), 679-683. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/26048
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Title
Risk factors for penicillin-resistant Streptococcus pneumoniae acquisition in patients in Bangkok
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Abstract
To identify risk factors for acquisition of penicillin-resistant Streptococcus pneumoniae (PRSP) in patients in Bangkok, using a case-control study, the study included patients with clinical specimens which grew S. pneumoniae during January to December 1997, treated at a teaching hospital in Bangkok. Penicillin susceptibility was determined by E-test and strains with MIC of >0.1μg/ml were considered resistant. Cases were the patients who had PRSP, and patients who had penicillin-susceptible S. pneumoniae (PSSP) were controls. The study variables included age 15 years or younger, immunocompromised status, ventilatory support, and antibiotic use or hospitalization within the previous 3 months. There were 73 cases and 51 controls. Their ages were 0 to 87 years, with median age of cases 4 and controls 49 years. Pneumonia was the most common type of infection, being 47% in cases and 45% in controls. Univariate analysis revealed significant association of PRSP acquisition with previous antibiotic use (p<0.0001), age ≤15 years (p=0.001) and previous hospitalization (p=0.002). Logistic regression analysis in order to adjust for confounding effects showed that the only significant risk factor was previous antibiotic use (OR 18.4; 95% Cl 6.2-54.6). The major risk factor for acquisition of PRSP in this study population is recent antibiotic use. Decreased antibiotic use would reduce risk of acquisition of PRSP.