{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,3]],"date-time":"2026-08-03T16:46:36Z","timestamp":1785775596181,"version":"3.56.0"},"reference-count":13,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,10,24]],"date-time":"2020-10-24T00:00:00Z","timestamp":1603497600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Muscle and Nerve"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The extrapolated reference values procedure (E\u2010Ref) was used to compare data from a single institution with the recently published reference value (RV) for concentric electrode jitter.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data from voluntarily activated concentric needle jitter studies in the frontalis muscle were obtained using retrospective chart review. All measured signals were reviewed for acceptable quality. Cutoff values for increased jitter were calculated using E\u2010Ref, and compared with the published RVs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>At total of 1501 apparent single\u2010fiber action potential (ASFAP) pairs were reviewed; 1371 ASFAP pairs were determined to have acceptable quality. The cutoff value identified by E\u2010Ref from all reviewed ASFAP pairs was 36\u2009microseconds and the cutoff for acceptable pairs was 35\u2009microseconds. Using either of these cutoff values (36\u2009or 35\u2009microseconds) did not result in a significant difference in percentage of jitter recordings considered normal when compared with the recently published RV (38\u2009microseconds).<\/jats:p><\/jats:sec><jats:sec><jats:title>Discussion<\/jats:title><jats:p>The single\u2010institution jitter cutoff value obtained by E\u2010Ref gives results that are not significantly different from the reported RV.<\/jats:p><\/jats:sec>","DOI":"10.1002\/mus.27092","type":"journal-article","created":{"date-parts":[[2020,10,16]],"date-time":"2020-10-16T14:20:29Z","timestamp":1602858029000},"page":"113-116","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Single\u2010institutional reference values for concentric needle jitter analysis using the extrapolated reference values procedure: Comparison to published reference values"],"prefix":"10.1002","volume":"63","author":[{"given":"Ikjae","family":"Lee","sequence":"first","affiliation":[{"name":"Department of Neurology University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donald B.","family":"Sanders","sequence":"additional","affiliation":[{"name":"Department of Neurology Duke University Medical Center  Durham North Carolina USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sanjeev D.","family":"Nandedkar","sequence":"additional","affiliation":[{"name":"Natus Neuro, Hopewell Junction  New York USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohamed","family":"Kazamel","sequence":"additional","affiliation":[{"name":"Department of Neurology University of Alabama at Birmingham  Birmingham Alabama USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,10,24]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.24750"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880150205"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.880170720"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-4598(200005)23:5<715::AID-MUS8>3.0.CO;2-V"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20435"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1963.03060110068020"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/WNP.0000000000000161"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.25606"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinph.2019.04.005"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.25204"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.25191"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.23710"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/mus.20568"}],"container-title":["Muscle &amp; Nerve"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/mus.27092","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/mus.27092","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/mus.27092","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T12:23:04Z","timestamp":1692793384000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/mus.27092"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10,24]]},"references-count":13,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2021,1]]}},"alternative-id":["10.1002\/mus.27092"],"URL":"https:\/\/doi.org\/10.1002\/mus.27092","archive":["Portico"],"relation":{},"ISSN":["0148-639X","1097-4598"],"issn-type":[{"value":"0148-639X","type":"print"},{"value":"1097-4598","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,10,24]]},"assertion":[{"value":"2020-05-21","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-10-10","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2020-10-24","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}