{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,26]],"date-time":"2026-07-26T21:09:29Z","timestamp":1785100169678,"version":"3.55.0"},"reference-count":31,"publisher":"BMJ","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Inj Prev"],"published-print":{"date-parts":[[2007,2]]},"abstract":"<jats:p>\n                  <jats:bold>Background:<\/jats:bold> Owing to the difficulty in prospectively measuring pre-injury health status and health-related quality of life (HRQL) in an injured cohort, population norms or retrospective baseline scores are often used as comparators for evaluating post-injury losses. However, there has been little discussion in the literature or research into the soundness of these approaches for this purpose.<\/jats:p>\n               <jats:p>\n                  <jats:bold>Objectives:<\/jats:bold> To investigate the appropriateness of the retrospectively measured baseline health status and HRQL in an injured population for the purpose of evaluating post-injury losses.<\/jats:p>\n               <jats:p>\n                  <jats:bold>Methods:<\/jats:bold> A cohort of injured admitted to hospital (n\u200a=\u200a186) was followed up for 12 months after injury. Retrospectively measured pre-injury health status and HRQL scores were compared with those at 12 months after injury for participants who reported complete recovery (n\u200a=\u200a61) and those who did not. Retrospective baseline scores for the whole cohort were also compared with Australian population norms.<\/jats:p>\n               <jats:p>\n                  <jats:bold>Results:<\/jats:bold> For participants who completely recovered, no significant difference was observed between scores at baseline (measured retrospectively) and those at 12 months after injury (36-item Short Form Questionnaire physical component summary z\u200a=\u200a\u22121.274, p\u200a=\u200a0.203; 36-item Short Form Questionnaire mental component summary z\u200a=\u200a\u22121.634, p\u200a=\u200a0.102; Short Form 6 Dimensions: z\u200a=\u200a\u22121.405, p\u200a=\u200a0.296). A borderline significant difference was observed in HRQL as measured by the Assessment of Quality of Life (z\u200a=\u200a\u22121.970, p\u200a=\u200a0.049). Retrospectively measured pre-injury scores were consistently higher than Australian norms for all measures.<\/jats:p>\n               <jats:p>\n                  <jats:bold>Conclusions:<\/jats:bold> The injured population may not be representative of the general population. Consequently, retrospective baseline measurement of pre-injury health states may be more appropriate than general population norms for the purpose of evaluating post-injury losses in this population.<\/jats:p>","DOI":"10.1136\/ip.2005.010157","type":"journal-article","created":{"date-parts":[[2007,2,12]],"date-time":"2007-02-12T11:42:04Z","timestamp":1171280524000},"page":"45-50","source":"Crossref","is-referenced-by-count":71,"title":["Retrospective baseline measurement of self-reported health status and health-related quality of life versus population norms in the evaluation of post-injury losses"],"prefix":"10.1136","volume":"13","author":[{"given":"W L","family":"Watson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J","family":"Ozanne-Smith","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J","family":"Richardson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2007,2,12]]},"reference":[{"key":"2025092510141003000_13.1.45.1","doi-asserted-by":"crossref","first-page":"709","DOI":"10.1097\/00005373-200210000-00015","volume":"53","year":"2002","journal-title":"J Trauma"},{"key":"2025092510141003000_13.1.45.2","doi-asserted-by":"publisher","DOI":"10.1097\/01.BCR.0000086070.91033.7F"},{"key":"2025092510141003000_13.1.45.3","doi-asserted-by":"crossref","unstructured":"MacKenzie EJ. 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