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Conversely, the score of painful evacuation effort showed a positive correlation with the desire to defecate volume (<jats:italic>r<\/jats:italic>\u2009=\u20090.343, <jats:italic>P<\/jats:italic>\u2009=\u20090.033). There was a statistically significant difference in the first constant sensation volume (when the distension medium was gas) measured in different body positions (left lateral position, sitting position, squatting position), and the data measured in the squatting position were significantly higher than those in left lateral position (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). In terms of research on distension medium, it was found that the first constant sensation volume measured in the squatting position (when the distension medium was water) was significantly lower than that of gas (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>For patients with functional constipation, there are differences in the results of rectal sensory tests between body positions and distension mediums. When conducting multicenter studies, it is necessary to unify the standard operating procedure (SOP) for operational details to ensure consistency and reliability of the test results.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12876-024-03309-5","type":"journal-article","created":{"date-parts":[[2024,7,29]],"date-time":"2024-07-29T09:05:07Z","timestamp":1722243907000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Influence of the examination position and distension medium on the rectal sensory test in patients with functional constipation"],"prefix":"10.1186","volume":"24","author":[{"given":"Chang-Fang","family":"Xiao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi-Fan","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yang-Yang","family":"Sun","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ling-Yun","family":"Meng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jing-Wen","family":"Wu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Min","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong-Qing","family":"Cao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chen","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi-Bo","family":"Yao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,7,29]]},"reference":[{"issue":"11","key":"3309_CR1","doi-asserted-by":"publisher","first-page":"2340","DOI":"10.1016\/j.mayocp.2019.01.031","volume":"94","author":"AE Bharucha","year":"2019","unstructured":"Bharucha AE, Wald A. 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