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Urinary tract infection (UTI) is an infection caused by development of microorganism in urinary tract. More than 80% nosocomial infection are UTI related catheterization. UTI is diagnosed by urine culture as gold standard and Urinalysis examination. Leukocyte esterase examination is a leukocyte examination using dipstick based on esterase reaction that is enzyme in granula azurofil in ganulocyte leukocyte.The aim of this study is to know comparison the diagnostic value of urinalysis leukocyte esterase examination toward urine culture as gold standard in UTI patient with urethra catheterization. Type of this research is experimental laboratory examination. Measuring and sampling by cross sectional and the analysis is by using 2 x 2 tabel.There were 61 UTI patients with urethra catheterization more equal than 24 hours, showed 36 samples were bacterial growth (UTI positive) and 25 samples did not give bacterial growth (UTI negative). Eventhough, in leukocyte esterase examination, there were 37 samples were positive LE and 24 samples were negative LE. Sensitivity and specificity of urinalysis leukocyte esterase were 83,3% and 72% respectively, positive and negative predictive values were 81,1% and 75%, likelihood ratio for positive test result (LR+) and negative test result (LR-) were 2,98 and 0,23. The accuracy was 78,8%.

Uji Diagnostik Urinalisis Lekosit Esterase terhadap Kultur Urin pada pasien Infeksi Saluran Kemih (ISK) dengan Kateterisasi Uretra