科研之友
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摘要
Introduction Pelvic Organ Prolapse Quantification (POP-Q) system, measured in centimetres using a ruler (e.g. POPstix (R)), is recommended to quantify prolapse severity. POPstix (R) are costly (US $ 1/ruler). Home-made devices are used instead, but these have not been shown to be reproducible. Hypothesis Digitally assessed POP-Q (DPOP-Q) is as reliable, reproducible and acceptable as POP-Q assessed using POPstix (R). Methods In this randomised crossover diagnostic agreement trial, each assessor measured the index finger of their dominant hand using a ruler. At visit one, patients were randomised to either POPstix (R) POP-Q assessment in a modified lithotomy position or DPOP-Q in both modified a lithotomy and a standing position. After the first clinician conducted this assessment, a second blinded clinician then carried out the remaining assessment on the same patient. For each examination, duration was recorded, along with a patient-completed discomfort score. Twenty-five women were invited for visit two, at which DPOP-Q was recorded by the same clinician who undertook DPOP-Q at the first visit. This allowed evaluation of inter-and intraobserver agreement together with examination acceptability. Results One hundred and nine women were recruited [median age 55 years, parity 2, body mass index (BMI) 27.1]. Of the 25 patients invited, 23 returned for visit two. DPOP-Q had high interobserver reliability [kappa = 0.94, 95 % confidence interval CI) 0.878-0.996] and intraobserver reliability (alpha = 0.96) with POPstix (R). DPOP-Q was significantly quicker (p = 0.02) and less uncomfortable (p < 0.01) than POPstix (R) POP-Q. Conclusion DPOP-Q is reliable, acceptable and cost effective.
- 出版日期2016-3
