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Reproducibility of five anorectal morphologic measurements in defecography.

Abstract：

RATIONALE AND OBJECTIVES:We evaluated the inter- and intraobserver reproducibility of measuring five morphologic parameters of the anorectum in defecography (evacuation proctography). METHODS:Measurements from 42 defecographic studies were statistically analyzed. The parameters measured during resting, squeezing, and straining included two anorectal angles (posterior and axis), maximal width of the anal canal, maximal width of the rectal lumen, and size of the rectocele. RESULTS:The results demonstrated only fair interobserver agreement (kappa = 0.22-0.38) for almost all measurements of the five morphologic parameters. There were high correlations (kappa = 0.62-1.00) among most intraobserver measurements. CONCLUSION:For defecographic measurement, the five parameters we studied have relatively poor clinical value because of high inter- and intraobserver inconsistency.

journal_name

Acad Radiol

journal_title

Academic radiology

authors

Yang X,Partanen K,Farin P,Ji H,Soimakallio S

doi

10.1016/s1076-6332(05)80719-6

subject

Has Abstract

pub_date

1994-11-01 00:00:00

pages

224-8

issue

3

eissn

1076-6332

issn

1878-4046

pii

S1076-6332(05)80719-6

journal_volume

1

pub_type

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