{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T17:34:01Z","timestamp":1783704841078,"version":"3.55.0"},"reference-count":16,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,6,7]],"date-time":"2023-06-07T00:00:00Z","timestamp":1686096000000},"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":["ANZ Journal of Surgery"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Colorectal cancer (CRC) screening was introduced in Aotearoa New Zealand at Waitemat\u0101 District Health Board (WDHB) in late 2011. This study reviewed patterns of disease, treatment received, and survival of patients with national bowel screening program (NBSP)\u2010detected CRC versus non\u2010NBSP patients at WDHB 2012\u20132019.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data collected retrospectively for all patients with adenocarcinoma of the colon or rectum at WDHB 2012\u20132019. Patient records were manually reviewed. Chi\u2010square, Fisher's exact test and the Mann Whitney <jats:italic>U<\/jats:italic>\u2010test used as appropriate. Kaplan\u2013Meier and Cox proportional hazards regression modelling for survival analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>1667 patients included (360 NBSP and 1307 non\u2010NBSP). 863 (51.8%) were male. Median age at diagnosis 73\u2009years (range 21\u2013100); NBSP patients were younger (median 68 <jats:italic>vs.<\/jats:italic> 76\u2009years, <jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). NBSP patients had significantly lower T, N, M and overall TNM stage than non\u2010BSP patients. Median survival estimate on Kaplan\u2013Meier analysis was 94\u2009months for all patients. Statistically significant (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05) predictors of mortality on multi\u2010variate regression analysis included increasing overall TNM stage compared with stage I (stage II HR 1.63 (95% CI 1.14\u20132.34), stage III HR 2.86 (95% CI 2.03\u20134.03), stage IV HR 7.73 (95% CI 5.59\u201310.68)), diagnosis within NBSP (HR 0.51 (95% CI 0.37\u20130.71)), increasing age in years (HR 1.03 (95% CI 1.02\u20131.03)), urgent\/emergency surgery (HR 1.66 (95% CI 1.36\u20132.01)) and formal resection of primary tumour (HR 0.31 (95% CI 0.25\u20130.38)).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Patients diagnosed within the Aotearoa New Zealand NBSP were found to be younger and have earlier stage CRC. Diagnosis within the NBSP is an independent predictor of survival for patients with CRC.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ans.18556","type":"journal-article","created":{"date-parts":[[2023,6,8]],"date-time":"2023-06-08T05:21:35Z","timestamp":1686201695000},"page":"2669-2674","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Improved stage and survival for patients in the <scp>Aotearoa New Zealand<\/scp> colorectal cancer screening program 2012\u20132019"],"prefix":"10.1111","volume":"93","author":[{"given":"Khalid","family":"Al Hinai","sequence":"first","affiliation":[{"name":"Department of Surgery North Shore Hospital  Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3366-5629","authenticated-orcid":false,"given":"Jesse","family":"Fischer","sequence":"additional","affiliation":[{"name":"Department of General Surgery Waikato Hospital  Hamilton New Zealand"},{"name":"Department of Surgery University of Auckland \u2013 Waikato Clinical Campus  Hamilton New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdullah","family":"Al Mamari","sequence":"additional","affiliation":[{"name":"Department of Surgery North Shore Hospital  Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mike","family":"Hulme\u2010Moir","sequence":"additional","affiliation":[{"name":"Department of Surgery North Shore Hospital  Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,6,7]]},"reference":[{"key":"e_1_2_8_2_1","unstructured":"Health Quality & Safety Commission New Zealand.Atlas of Healthcare Variation \u2013 Bowel cancer2021[Cited 26 Mar 2023]. Available from URL:https:\/\/www.hqsc.govt.nz\/our-data\/atlas-of-healthcare-variation\/bowel-cancer\/#:~:text=Bowel%20cancer%20is%20the%20most and%201200%20deaths%20each%20year."},{"key":"e_1_2_8_3_1","first-page":"74","article-title":"An international comparison study of stage of colorectal cancer at diagnosis: how does New Zealand compare?","volume":"122","author":"Samson P","year":"2009","journal-title":"N. Z. Med. J."},{"key":"e_1_2_8_4_1","first-page":"24","article-title":"The New Zealand PIPER project: colorectal cancer survival according to rurality, ethnicity and socioeconomic deprivation\u2010results from a retrospective cohort study","volume":"131","author":"Sharples KJ","year":"2018","journal-title":"N. Z. Med. J."},{"key":"e_1_2_8_5_1","article-title":"Screening for colorectal cancer using the faecal occult blood test, Hemoccult","volume":"2007","author":"Hewitson P","year":"2007","journal-title":"Cochrane Database Syst. Rev."},{"key":"e_1_2_8_6_1","first-page":"84","article-title":"From screening criteria to colorectal cancer screening: what can New Zealand learn from other countries?","volume":"121","author":"Shaw C","year":"2008","journal-title":"N. Z. Med. J."},{"key":"e_1_2_8_7_1","first-page":"84","article-title":"Bowel cancer screening","volume":"130","author":"Robertson L","year":"2017","journal-title":"N. Z. Med. J."},{"key":"e_1_2_8_8_1","unstructured":"Statistics New Zealand.Statistical area 1 dataset for 2018 Census 2020. [Cited 26 Mar 2023]. Available from URL:https:\/\/www.stats.govt.nz\/information-releases\/statistical-area-1-dataset-for-2018-census-updated-march-2020."},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.3748\/wjg.v24.i1.124"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/codi.14313"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1038\/bjc.2012.331"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/bjc.2011.160"},{"key":"e_1_2_8_13_1","unstructured":"Waitemata District Health Board.Annual report 2020\u20132021.2021."},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1111\/ans.16257"},{"key":"e_1_2_8_15_1","first-page":"42","article-title":"The characteristics and outcomes of patients with colorectal cancer in New Zealand, analysed by cancer network","volume":"133","author":"Blackmore T","year":"2020","journal-title":"N. Z. Med. J."},{"key":"e_1_2_8_16_1","volume-title":"Unequal Impact II: Maori and Non\u2010Maori Cancer Statistics Deprivation and Rural\u2010Urban Status 2002\u20132006","author":"Robson BCD","year":"2010"},{"key":"e_1_2_8_17_1","first-page":"46","article-title":"The contribution of avoidable mortality to the life expectancy gap in M\u0101ori and Pacific populations in New Zealand\u2010a decomposition analysis","volume":"132","author":"Walsh M","year":"2019","journal-title":"N. Z. Med. J."}],"container-title":["ANZ Journal of Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/ans.18556","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,2,29]],"date-time":"2024-02-29T10:58:29Z","timestamp":1709204309000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ans.18556"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,6,7]]},"references-count":16,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2023,11]]}},"alternative-id":["10.1111\/ans.18556"],"URL":"https:\/\/doi.org\/10.1111\/ans.18556","archive":["Portico"],"relation":{},"ISSN":["1445-1433","1445-2197"],"issn-type":[{"value":"1445-1433","type":"print"},{"value":"1445-2197","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,6,7]]},"assertion":[{"value":"2023-04-22","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-05-23","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2023-06-07","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}