{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T18:09:21Z","timestamp":1790014161650,"version":"4.0.1"},"reference-count":44,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2020,12,28]],"date-time":"2020-12-28T00:00:00Z","timestamp":1609113600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"},{"start":{"date-parts":[[2020,12,28]],"date-time":"2020-12-28T00:00:00Z","timestamp":1609113600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["jsm.jsexmed.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,3,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Patients with premature ejaculation (PE) are often diagnosed as having a comorbid erectile dysfunction (ED). When evaluating erectile function in PE patients with the popular International Index of Erectile Function-5 (IIEF-5, or Sexual Health Inventory for Men [SHIM]), question #5 (Q5) about sexual satisfaction in the intercourse often lowers the total score of the questionnaire, giving false-positive results for the presence of ED.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>We aimed to compare SHIM with the other abridged form of IIEF, which is IIEF-EF, and to discriminate which tool has the best diagnostic accuracy in the evaluation of erectile function in PE patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The study was conducted from March 2019 to January 2020. A total of 189 heterosexual males with lifelong PE (117, 61.9%) or acquired PE (72, 38.1%) were included. They all compiled Premature Ejaculation Diagnostic Tool, IIEF-15, SHIM, and IIEF-EF and underwent a full clinical examination to evaluate their erectile function.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Outcomes<\/jats:title>\n                    <jats:p>The scores of the 2 erectile function assessment questionnaires (SHIM and IIEF-EF) were compared in terms of their sensitivity and specificity in the diagnosis of ED in PE patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>In terms of diagnosing ED in PE patients, the sensitivity of SHIM is 100% while the specificity is only 36%; meanwhile, the sensitivity of IIEF-EF is 100% but specificity is 77.2%. Further analysis demonstrates that decreasing cutoff of SHIM to 17.5 would provide an increased specificity of 82.5%, while sensitivity would lower to 96.0%. However, the highest area under the curve (0.966 vs 0.941) is given by the IIEF-EF with 100% sensitivity and 80.7% specificity at the cutoff of 24.5, which is one point lower than the usual cutoff value of 25.5.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Implications<\/jats:title>\n                    <jats:p>Our study suggests that when evaluating erection function in PE patients, the cutoff of both SHIM and IIEF-EF should be amended.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Strengths &amp; Limitations<\/jats:title>\n                    <jats:p>We proposed the solution for the bias of erectile function assessment in PE patients. However, other trials are needed to further validate in larger cohorts of PE patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSION<\/jats:title>\n                    <jats:p>We suggest that the cutoff of SHIM and IIEF-EF should be amended (SHIM at 17.5 and IIEF-EF at 24.5, respectively) when assessing erectile function among PE population.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.jsxm.2020.11.018","type":"journal-article","created":{"date-parts":[[2020,12,28]],"date-time":"2020-12-28T21:38:24Z","timestamp":1609191504000},"page":"440-447","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":24,"title":["Validity of Erectile Function Assessment Questionnaires in Premature Ejaculation Patients: A Comparative Study Between the Abridged Forms of the International Index of Erectile Function and Proposal for Optimal Cutoff Redefinition"],"prefix":"10.1093","volume":"18","author":[{"given":"Yu","family":"Xi","sequence":"first","affiliation":[{"name":"Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elena","family":"Colonnello","sequence":"additional","affiliation":[{"name":"Chair of Endocrinology & Medical Sexology (ENDOSEX), Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gongchao","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erika","family":"Limoncin","sequence":"additional","affiliation":[{"name":"Chair of Endocrinology & Medical Sexology (ENDOSEX), Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giacomo","family":"Ciocca","sequence":"additional","affiliation":[{"name":"Chair of Endocrinology & Medical Sexology (ENDOSEX), Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy"},{"name":"Clinical Psychosexology, Department of Dynamic and Clinical Psychology, University of Rome Sapienza , Rome , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuele A.","family":"Jannini","sequence":"additional","affiliation":[{"name":"Chair of Endocrinology & Medical Sexology (ENDOSEX), Department of Systems Medicine, University of Rome Tor Vergata , Rome , Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Infertility and Sexual Medicine, The Third Affiliated Hospital of Sun Yat-sen University"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2020,12,28]]},"reference":[{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"1392","DOI":"10.1111\/jsm.12504","article-title":"An update of the International Society of Sexual Medicine\u2019s guidelines for the diagnosis and treatment of premature ejaculation (PE)","volume":"11","author":"Althof","year":"2014","journal-title":"J Sex Med"},{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"g129","DOI":"10.1136\/bmj.g129","article-title":"Erectile dysfunction","volume":"348","author":"Muneer","year":"2014","journal-title":"BMJ"},{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"537","DOI":"10.1001\/jama.281.6.537","article-title":"Sexual dysfunction in the United States: prevalence and predictors","volume":"281","author":"Laumann","year":"1999","journal-title":"JAMA"},{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"1061","DOI":"10.1016\/j.fertnstert.2015.08.035","article-title":"Premature ejaculation: old story, new insights","volume":"104","author":"Jannini","year":"2015","journal-title":"Fertil Steril"},{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"1830","DOI":"10.1016\/j.juro.2012.11.007","article-title":"Premature ejaculation results in female sexual distress: standardization and validation of a new diagnostic tool for sexual distress","volume":"189","author":"Limoncin","year":"2013","journal-title":"J Urol"},{"key":"2023041407085509400_","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1001\/jama.1993.03510010089036","article-title":"NIH Consensus Conference. 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