{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T06:49:01Z","timestamp":1783493341869,"version":"3.55.0"},"reference-count":22,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2015,1,26]],"date-time":"2015-01-26T00:00:00Z","timestamp":1422230400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["bjui-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJU International"],"published-print":{"date-parts":[[2015,4]]},"abstract":"\n Objective<\/jats:title>\n \n To systematically review and evaluate the impact of the\n I<\/jats:styled-content>\n nternational\n C<\/jats:styled-content>\n ontinence\n S<\/jats:styled-content>\n ociety (\n ICS<\/jats:styled-content>\n )\u20102002 report on standardisation of terminology in nocturia, on publications reporting on nocturia and nocturnal polyuria (\n NP<\/jats:styled-content>\n ). In 2002, the\n ICS<\/jats:styled-content>\n defined\n NP<\/jats:styled-content>\n as a\n N<\/jats:styled-content>\n octurnal\n P<\/jats:styled-content>\n olyuria\n I<\/jats:styled-content>\n ndex (nocturnal urine volume\/total 24\u2010h urine volume) of >0.2\u20130.33, depending on age.\n <\/jats:p>\n <\/jats:sec>\n \n Materials and Methods<\/jats:title>\n \n In\n A<\/jats:styled-content>\n pril 2013 the\n PubMed<\/jats:styled-content>\n and\n E<\/jats:styled-content>\n mbase databases were searched for studies (in\n E<\/jats:styled-content>\n nglish,\n G<\/jats:styled-content>\n erman,\n F<\/jats:styled-content>\n rench or\n D<\/jats:styled-content>\n utch) based on original data and adult participants, investigating the relationship between nocturia and\n NP<\/jats:styled-content>\n . A methodological quality assessment was performed, including scores on external validity, internal validity and informativeness. Quality scores of items were compared between studies published before and after the\n ICS<\/jats:styled-content>\n \u20102002 report.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n The search yielded 78 publications based on 66 studies. Quality scores of studies were generally high for internal validity (median 5, interquartile range [\n IQR<\/jats:styled-content>\n ] 4\u20136) but low for external validity. After publication of the\n ICS<\/jats:styled-content>\n \u20102002 report, external validity showed a significant change from 1 (\n IQR<\/jats:styled-content>\n 1\u20132) to 2 (\n IQR<\/jats:styled-content>\n 1\u20132.5;\n P<\/jats:italic>\n = 0.019). Nocturia remained undefined in 12 studies. In all, 19 different definitions were used for\n NP<\/jats:styled-content>\n , most often being the\n ICS<\/jats:styled-content>\n (or similar) definition: this covered 52% (\n n<\/jats:italic>\n = 11) of studies before and 66% (\n n<\/jats:italic>\n = 27) after the\n ICS<\/jats:styled-content>\n \u20102002 report. Clear definitions of both nocturia and\n NP<\/jats:styled-content>\n were identified in 67% and 76% before, and in 88% and 88% of the studies after the\n ICS<\/jats:styled-content>\n \u20102002 report, respectively.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n \n The\n ICS<\/jats:styled-content>\n \u20102002 report on standardisation of terminology in nocturia appears to have had a beneficial impact on reporting definitions of nocturia and\n NP<\/jats:styled-content>\n , enabling better interpretation of results and comparisons between research projects. Because the external validity of most of the 66 studies is considered a problem, the results of these studies may not be validly extrapolated to other populations. The\n ICS<\/jats:styled-content>\n definition of\n NP<\/jats:styled-content>\n is used most often. However, its discriminative value seems limited due to the estimated difference of 0.6 nocturnal voids between individuals with and without\n NP<\/jats:styled-content>\n . Refinement of current definitions based on robust research is required. Based on pathophysiological reasoning, we argue that it may be more appropriate to define\n NP<\/jats:styled-content>\n based on nocturnal urine production or nocturnal voided volumes, rather than on a diurnal urine production pattern.\n <\/jats:p>\n <\/jats:sec>","DOI":"10.1111\/bju.12753","type":"journal-article","created":{"date-parts":[[2014,3,31]],"date-time":"2014-03-31T09:30:08Z","timestamp":1396258208000},"page":"520-536","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["Impact of the\n I<\/scp>\n nternational\n C<\/scp>\n ontinence\n S<\/scp>\n ociety (\n ICS<\/scp>\n ) report on the standardisation of terminology in nocturia on the quality of reports on nocturia and nocturnal polyuria: a systematic review"],"prefix":"10.1111","volume":"115","author":[{"given":"Ilse","family":"Hofmeester","sequence":"first","affiliation":[{"name":"Department of Urology Isala Clinics Zwolle The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Boudewijn J.","family":"Kollen","sequence":"additional","affiliation":[{"name":"Department of General Practice University of Groningen, University Medical Centre Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martijn G.","family":"Steffens","sequence":"additional","affiliation":[{"name":"Department of Urology Isala Clinics Zwolle The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.L.H.Ruud","family":"Bosch","sequence":"additional","affiliation":[{"name":"Department of Urology University Medical Centre Utrecht The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marcus J.","family":"Drake","sequence":"additional","affiliation":[{"name":"University of Bristol Bristol UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeffrey P.","family":"Weiss","sequence":"additional","affiliation":[{"name":"SUNY Downstate College of Medicine Brooklyn NY USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco H.","family":"Blanker","sequence":"additional","affiliation":[{"name":"Department of General Practice University of Groningen, University Medical Centre Groningen The 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