Letters

Usefulness of urine dipstick tests

BMJ 1996; 313 doi: http://dx.doi.org/10.1136/bmj.313.7063.1009b (Published 19 October 1996) Cite this as: BMJ 1996;313:1009
  1. Peter Wilson, Consultant,
  2. Ronald R Cutler, Clinical scientist,
  3. Peter Jenks, Lecturer,
  4. Florence V Clarke, Clinical scientist,
  5. Jo Merrett, Medical laboratory scientific officer
  1. Newham District Microbiology Laboratories, St Andrew's Hospital, London E3 3NT

    EDITOR,—Several studies,1 2 including that by J H Beer and colleagues,3 have highlighted the fact that there is still debate over the diagnostic accuracy of rapid dipstick tests. Beer and colleagues point out that the presence of certain antibiotics in urine samples may cause false positive results. Other workers have pointed out that false negative results may be due to antibiotics, glucose, or oxalic acid. Bonnardeaux et al concluded that results of dipstick tests were an unreliable predictor of results of microscopy and that false negative results can …

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