Incidence and remission of lower urinary tract symptomsBMJ 2000; 321 doi: http://dx.doi.org/10.1136/bmj.321.7268.1082 (Published 28 October 2000) Cite this as: BMJ 2000;321:1082
Authors should have used standardised questionnaire
- Simon Jackson, consultant obstetrician and gynaecologist. ([email protected]),
- Jenny Donovan, reader.,
- Paul Abrams, professor of urology.
- John Radcliffe Hospital, Oxford OX3 9DU
- Department of Social Medicine, Bristol University BS8 2PR
- Southmead Hospital, Bristol BS10 5NB
- Department of Accident and Emergency, Bromley Hospital, Kent BR2 9AJ
- Department of Obstetrics and Gynaecology, Glostrup County Hospital, University of Copenhagen, DK-2600 Glostrup, Denmark
EDITOR—Møller et al did not describe in detail the questionnaire that they used in their longitudinal study of lower urinary tract symptoms in women,1 but it seems to have been based on two different instruments. 2 3 The Bristol female lower urinary tract symptoms questionnaire uses a five point scale for reporting symptoms.3 Respondents can reply “never,” “occasionally,” “sometimes,” “most of the time,” or “all of the time” when asked whether they have a particular symptom; when asked about frequency they can reply “never,” “once or less a week,” “2-3 times a week,” “once a day,” or “several times a day.”
This raises the issue of reproducibility when the questionnaire is completed on more than one occasion. Reproducibility of our instrument was good when a test-retest analysis was performed with a two week interval, there being no apparent change in the underlying condition during that time; 78% of symptom questions were answered identically on both occasions, with no responses changing by more than two categories. The instrument used by Møller et al is reported to have fair to excellent reproducibility, but details …
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