For 422 male patients with symptoms indicative of a urinary tract infection, nitrite and leukocyte esterase activity dipstick test results were compared with results of culture of urine samples. The positive predictive value of a positive nitrite test result was 96%. Addition of results of the leukocyte esterase test did not improve the diagnostic accuracy of the nitrite test.

We evaluated 230 body fluid samples, of which 131 were peritoneal effluents and 99 were other body fluids. Of these, 63 dialysates were culture positive, and 54 (85.7%) of these 63 were leukocyte esterase positive. Of 99 other body fluids, 8 were both culture positive and leukocyte esterase positive.

OBJECTIVE To study the accuracy and clinical application of the dipstick leukocyte esterase test in the detection of pyuria in young febrile children suspected to have urinary tract infection. DESIGN Prospective study. SETTING Regional hospital, Hong Kong. PATIENTS Urine samples were taken from 215 children younger than 2 years who were suspected to have urinary tract infection (fever wit...

BACKGROUND Spontaneous bacterial peritonitis is defined as an ascetic fluid infection without an evident intra-abdominal surgically treatable source. Spontaneous bacterial peritonitis is one of the severe complications in patients with cirrhosis and ascites. Without early antibiotic treatment, this complication is associated with high mortality rate; therefore, early diagnosis and treatment of ...

BACKGROUND Spontaneous bacterial peritonitis (SBP) is defined as an ascitic fluid infection without an evident intra-abdominal surgically treatable source. Spontaneous bacterial peritonitis (SBP) is one of the severe complications in patients with cirrhosis and ascites. Without early antibiotic treatment, this complication is associated with high mortality rate, so early diagnosis and treatment...

PURPOSE This study was to determine if dip stick assays of children's saliva for leukocyte esterase or protein (Serim Research Corporation, Elkhart, Ind) reflect the presence or severity of gingival or periodontal diseases in children. METHODS The study included 13 children with periodontitis [study group] and a control group of 17 children without periodontitis. The saliva leukocyte esterase...

OBJECTIVE A study to compare the usage of throat swab testing for leukocyte esterase on a test strip(urine dip stick-multi stick) to rapid strep test for rapid diagnosis of Group A Beta hemolytic streptococci in cases of acute pharyngitis in children. HYPOTHESIS The testing of throat swab for leukocyte esterase on test strip currently used for urine testing may be used to detect throat infect...

BACKGROUND The white blood-cell count and neutrophil differential of the synovial fluid have been reported to have high sensitivity and specificity in the diagnosis of periprosthetic infection following total knee arthroplasty. We hypothesized that neutrophils recruited into an infected joint secrete enzymes that may be used as markers for infection. In this prospective study, we determined the...

Objective To investigate whether the urine dipstick screening test can be used to predict urine culture results. Methods A retrospective study conducted between January and December 2014 based on data from 8,587 patients with a medical order for urine dipstick test, urine sediment analysis and urine culture. Sensitivity, specificity, positive and negative predictive values were determined and...

We compared the sensitivity, specificity, and predictive values of the 1-min leukocyte esterase test and the test for urinary nitrite alone and in combination as screening tests for bacteriuria in over 5,000 clinical urine specimens. The leukocyte esterase-nitrite combination had a sensitivity of 79.2%, a specificity of 81%, and a negative predictive value of a negative test of 94.5% for specim...