{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T07:10:18Z","timestamp":1777533018306,"version":"3.51.4"},"reference-count":42,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2025,3,25]],"date-time":"2025-03-25T00:00:00Z","timestamp":1742860800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100000738","name":"U.S. Department of Veterans Affairs","doi-asserted-by":"publisher","award":["RX003690-01A1"],"award-info":[{"award-number":["RX003690-01A1"]}],"id":[{"id":"10.13039\/100000738","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Clin Rehabil"],"published-print":{"date-parts":[[2025,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To evaluate the criterion and construct validity of the 7-category Amputee Single Item Mobility Measure (AMPSIMM) in a large contemporary dysvascular lower limb amputation population and propose an abbreviated 4-category version (AMPSIMM-4) whose mobility categories parallel the Medicare Functional Classification Levels (K-levels).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Cohort study retrospectively identifying persons with their first lower limb amputation then prospectively collecting their self-reported mobility.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>National cohort identified through a large Veterans\u2019 Administration dataset.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>Six hundred and ninety-two participants aged 30 years and older, undergoing their first diabetes and\/or peripheral artery disease-related amputation at the transmetatarsal, transtibial, or transfemoral level, with a subset of 60 consecutive participants with a self-reported K-level.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main measures<\/jats:title>\n                    <jats:p>AMPSIMM, Locomotor Capability Index-5 (LCI-5), K-levels, and PROMIS Global-10 Physical (PROMIS-P), at one year post amputation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The strength of the correlation between AMPSIMM and LCI-5 scores was large (Spearman's rho\u2009=\u2009.88;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.0001). The correlation with PROMIS-P scores was 0.67 (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.0001). The strength of the correlation between the AMPSIMM-4 and self-reported K-levels was large (Spearman's rho\u2009=\u2009.82;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.0001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The AMPSIMM is a clinician-friendly single-item patient-reported measure that can capture a broad range of lower limb amputation mobility, from wheelchair to advanced community ambulation, with or without a prosthesis, and with or without ambulation aids. It demonstrates strong criterion and construct validity. The AMPSIMM-4 can be generated directly from the AMPSIMM with descriptors that are very similar to and are highly correlated with self-reported K-levels.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/02692155251327344","type":"journal-article","created":{"date-parts":[[2025,3,25]],"date-time":"2025-03-25T15:54:12Z","timestamp":1742918052000},"page":"646-658","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Validation of the Amputee Single Item Mobility Measure (AMPSIMM) and the abbreviated AMPSIMM-4 for amputee mobility"],"prefix":"10.1177","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4386-2677","authenticated-orcid":false,"given":"Daniel C.","family":"Norvell","sequence":"first","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David C.","family":"Morgenroth","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joseph M.","family":"Czerniecki","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elizabeth G.","family":"Halsne","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron P.","family":"Turner","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rhonda M.","family":"Williams","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"},{"name":"Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alison W.","family":"Henderson","sequence":"additional","affiliation":[{"name":"VA Puget Sound Health Care System, Seattle, WA, USA"},{"name":"VA Center for Limb Loss and Mobility (CLiMB), Seattle, WA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2025,3,25]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1080\/09638280802639467"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.avsg.2014.12.005"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.apmr.2003.06.010"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1053\/apmr.2002.32309"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/0003-9993(94)90278-X"},{"key":"e_1_3_3_7_2","first-page":"344","article-title":"Mobility grades in amputee rehabilitation","volume":"5","author":"Hanspal RS","year":"1991","unstructured":"Hanspal RS. 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