{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T14:46:56Z","timestamp":1785509216630,"version":"3.56.0"},"reference-count":36,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2022,10,1]],"date-time":"2022-10-01T00:00:00Z","timestamp":1664582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,8,29]],"date-time":"2021-08-29T00:00:00Z","timestamp":1630195200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Hematology, Transfusion and Cell Therapy"],"published-print":{"date-parts":[[2022,10]]},"DOI":"10.1016\/j.htct.2021.06.013","type":"journal-article","created":{"date-parts":[[2021,9,11]],"date-time":"2021-09-11T00:01:11Z","timestamp":1631318471000},"page":"512-518","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":6,"title":["Comparative analysis of hematological parameters of first-time and repeat blood donors: Experience of a blood bank in southern Nigeria"],"prefix":"10.1016","volume":"44","author":[{"given":"Christopher Ogar","family":"Ogar","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dorathy Chioma","family":"Okpokam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2658-3788","authenticated-orcid":false,"given":"Henshaw Uchechi","family":"Okoroiwu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ifeyinwa Maryann","family":"Okafor","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.htct.2021.06.013_bib0001","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1186\/s12878-018-0130-3","article-title":"Motivational factors for blood donation, potential barriers, and knowledge about blood donation in first-time and repeat blood donors","volume":"18","author":"Mohammed","year":"2018","journal-title":"BMC Haematol"},{"key":"10.1016\/j.htct.2021.06.013_bib0002","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1186\/s12878-018-0112-5","article-title":"Demographic characteristics of blood and blood components transfusion receipients and patterns of blood utilization in a tertiary health institution in southern Nigeria","volume":"18","author":"Okoroiwu","year":"2018","journal-title":"BMC Haematol"},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0003","doi-asserted-by":"crossref","first-page":"289","DOI":"10.18203\/2320-6012.ijrms20175736","article-title":"pattern and outcome of donor deferral? Need of hour","volume":"6","author":"Chauhan","year":"2018","journal-title":"Int. J Res Med Sci."},{"key":"10.1016\/j.htct.2021.06.013_bib0004","doi-asserted-by":"crossref","first-page":"510","DOI":"10.1186\/s12913-019-4352-2","article-title":"Blood donors deferral prevalence and causes in a tertiary health care hospital, southern Nigeria","volume":"19","author":"Okoroiwu","year":"2019","journal-title":"BMC Health Service Res"},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0005","first-page":"1","article-title":"Haematological parameters of blood donors in North East Nigeria and the implication on quality of blood products","volume":"13","author":"Ahmed","year":"2016","journal-title":"Africa Sanguine"},{"issue":"2","key":"10.1016\/j.htct.2021.06.013_bib0006","first-page":"337","article-title":"Seroprevalence of major blood \u2013 borne infections among blood donors in Kkano, Nigeria","volume":"42","author":"Nwankwo","year":"2012","journal-title":"Turk J Med"},{"key":"10.1016\/j.htct.2021.06.013_bib0007","doi-asserted-by":"crossref","first-page":"645","DOI":"10.1186\/s12889-018-5555-x","article-title":"Seroprevalence of transfusion-transmissible infections (HBV, HCV, Syphilis and HCV) among prospective blood donors in a tertiary health care facility in Calabar, Nigeria: an eleven years evaluation","volume":"18","author":"Okoroiwu","year":"2018","journal-title":"BMC Public Health"},{"issue":"3","key":"10.1016\/j.htct.2021.06.013_bib0008","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1046\/j.1537-2995.1985.25385219919.x","article-title":"An approach to determine objectively minimum haemoglobin standards for blood donors","volume":"25","author":"Ali","year":"1985","journal-title":"Transfusion"},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0009","doi-asserted-by":"crossref","first-page":"11","DOI":"10.3923\/tmr.2016.11.19","article-title":"Response of cellular elements to frequent blood donations among male subjects in Calabar, Nigeria","volume":"11","author":"Okpokam","year":"2016","journal-title":"Trends Med Res."},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0010","doi-asserted-by":"crossref","first-page":"61","DOI":"10.5530\/ijmedph.2017.1.11","article-title":"Study of various haematological parameters and iron status among voluntary blood donors","volume":"7","author":"Tailor","year":"2017","journal-title":"Int J Med Public Health"},{"key":"10.1016\/j.htct.2021.06.013_bib0011","series-title":"Blood Donor Selection: Guidelines on Assessing Donor Suitability for blood donation","first-page":"44","year":"2012"},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0012","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1159\/000500630","article-title":"subclinical iron deficiency in non-anemic individuals: a retrospective analysis of Korean Health Examinees","volume":"143","author":"Nah","year":"2020","journal-title":"Acta Haematol"},{"issue":"1","key":"10.1016\/j.htct.2021.06.013_bib0013","doi-asserted-by":"crossref","first-page":"271","DOI":"10.1016\/S0308-2261(18)30044-4","article-title":"Iron and blood donation","volume":"13","author":"Skikne","year":"1984","journal-title":"Clin Haematol"},{"key":"10.1016\/j.htct.2021.06.013_bib0014","unstructured":"World Health Organization, Annex 2: Requirement for the Collection, Processing and Quality Control of Blood, Blood Component and Plasma Derivation, 1994, WHO Technical Report Series. No 840. 1994. p. 45. World Health Organization, Geneva."},{"key":"10.1016\/j.htct.2021.06.013_bib0015","unstructured":"National Bureau of statistic, Annual Abstract 2011, 2011, NBS Federal Republic of Nigeria. Abuja, Nigeria."},{"issue":"9","key":"10.1016\/j.htct.2021.06.013_bib0016","first-page":"106","article-title":"Challenges and nurses job performance in University of Calabar Teaching Hospital, Calabar Cross River State Nigeria","volume":"2","author":"Oyira","year":"2019","journal-title":"Sumaerian J Med Health Care"},{"issue":"8","key":"10.1016\/j.htct.2021.06.013_bib0017","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0237313","article-title":"Causes of morbidity and mortality among patients admitted in a tertiary hospital in southern Nigeria: a 6 year evaluation","volume":"15","author":"Okoroiwu","year":"2020","journal-title":"PLoS ONE"},{"key":"10.1016\/j.htct.2021.06.013_bib0018","first-page":"1","article-title":"Nutritional anemia Report of WHO Scientific Group","author":"Blanc","year":"1968","journal-title":"WHO Tech Rep Ser."},{"key":"10.1016\/j.htct.2021.06.013_bib0019","series-title":"Demographic Statistic Bullentin","first-page":"12","year":"2017"},{"key":"10.1016\/j.htct.2021.06.013_bib0020","series-title":"Age structure. Our world in Data. 2019","author":"Ritchie","year":"2019"},{"key":"10.1016\/j.htct.2021.06.013_bib0021","doi-asserted-by":"crossref","unstructured":"Ogar CO, Okoroim HU, Obeagu EI, Etura JE Abunimye DA. Assessment of blood supply and usage pre- and during covid 19 pandemic: a lesson from non- voluntary donation. Transfus Clin Biol, 2021;28(1):68-72.","DOI":"10.1016\/j.tracli.2020.10.004"},{"issue":"4","key":"10.1016\/j.htct.2021.06.013_bib0022","article-title":"Transfusion. Transfussible infections among blood donors at Debre Tabor Blood Bank, North West Ethiopia: a three years retrospective study","volume":"6","author":"Berhanu","year":"2016","journal-title":"Health Care Curr Rev"},{"key":"10.1016\/j.htct.2021.06.013_bib0023","first-page":"12","article-title":"Seroprevalence of transfusion transmissible infections among blood donors in the Hohoe Municipality Hospital, Ghana: 2015-2016: a retrospective hospital-based cross-sectional study","volume":"2","author":"Adu-poku","year":"2020","journal-title":"PAMJ. Clin."},{"key":"10.1016\/j.htct.2021.06.013_bib0024","doi-asserted-by":"crossref","first-page":"1064","DOI":"10.1186\/s12879-019-4699-3","article-title":"Seroprevalence and risk factors for HIV, HCV, HBV, and Syphilis among blood donors in Mali","volume":"19","author":"Jany","year":"2019","journal-title":"BMC Infect Dis"},{"issue":"2","key":"10.1016\/j.htct.2021.06.013_bib0025","doi-asserted-by":"crossref","first-page":"125","DOI":"10.4103\/2384-5589.170183","article-title":"The epidemiology of transfusion-transmissible infections among blood donors in Nnewi, South-East Nigeria","volume":"14","author":"Okocha","year":"2015","journal-title":"Afr J Med. Health Sci."},{"issue":"4","key":"10.1016\/j.htct.2021.06.013_bib0026","first-page":"293","article-title":"Seroepidemiology of transfusion transmissible infections among blood donors in Oshogbo, South-West Nigeria","volume":"7","author":"Buseri","year":"2009","journal-title":"Blood Transfus"},{"issue":"3","key":"10.1016\/j.htct.2021.06.013_bib0027","doi-asserted-by":"crossref","first-page":"22","DOI":"10.9734\/ajrid\/2020\/v4i330149","article-title":"Seropositivity of human immunodeficiency virus among intending blood donors in Rivers State, Nigeria","volume":"4","author":"Abeni","year":"2020","journal-title":"Asian J Res Infect Dis."},{"key":"10.1016\/j.htct.2021.06.013_bib0028","unstructured":"Tapko JB, Mainuka P, Diara, Nana AJ. Status of Blood Safety in WHO Regions Report of the 2006 Survey. World Health Organization, Geneva."},{"issue":"2","key":"10.1016\/j.htct.2021.06.013_bib0029","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1016\/j.htct.2021.01.005","article-title":"Coping with COVID-19 pandemic in blood transfusion services in West Africa: the need to restrategize","volume":"42","author":"Okoroiwu","year":"2021","journal-title":"Hematol Transfus Cell Ther"},{"issue":"4","key":"10.1016\/j.htct.2021.06.013_bib0030","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0214755","article-title":"Seroprevalence and trends of transfusion-transmissible infections among blood donors at Bahir Dar district blood bank, Northwest Ethiopia: a four year retrospective study","volume":"14","author":"Shiferaw","year":"2019","journal-title":"PLOSONE"},{"issue":"7","key":"10.1016\/j.htct.2021.06.013_bib0031","article-title":"Safety of blood maintained in Zimbabwe: low transfusion transmissible infections among blood donors","volume":"8","author":"Zezai","year":"2020","journal-title":"J Biosci Med"},{"key":"10.1016\/j.htct.2021.06.013_bib0032","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1186\/s12879-020-04995-8","article-title":"Prevalence of sexually transmitted infections among foreigners living in Guangzhou, China. A cross-sectional study (2010-2017)","volume":"20","author":"Chimungu","year":"2020","journal-title":"BMC Infect Dis"},{"issue":"4","key":"10.1016\/j.htct.2021.06.013_bib0033","doi-asserted-by":"crossref","first-page":"666","DOI":"10.1007\/s12288-018-0954-9","article-title":"Altered red cell indices in repeat blood donors: experience of a North Indian blood bank","volume":"34","author":"Jain","year":"2018","journal-title":"Indian J Hematol Transfus"},{"issue":"2","key":"10.1016\/j.htct.2021.06.013_bib0034","first-page":"370","article-title":"Volume of red cell distribution width (RDW) and RBC indices in the detection of iron deficiency anaemia","volume":"22","author":"Sultana","year":"2013","journal-title":"Mymesingh Med J"},{"issue":"3","key":"10.1016\/j.htct.2021.06.013_bib0035","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1007\/s12098-009-0014-4","article-title":"Red cell distribution width (RDW) in the diagnosis of iron deficiency with microcytic hypochromic anaemia","volume":"76","author":"Aulakh","year":"2009","journal-title":"Indian J Pediatr"},{"issue":"2","key":"10.1016\/j.htct.2021.06.013_bib0036","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1046\/j.1365-3148.2000.00239.x","article-title":"Low ferritin levels indicate the need for iron supplemention: strategy to minimize iron-depletion in regular blood donors","volume":"10","author":"Alvarez-Ossorio","year":"2000","journal-title":"Transfus Med"}],"container-title":["Hematology, Transfusion and Cell Therapy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2531137921001243?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S2531137921001243?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:35:53Z","timestamp":1762868153000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2531137921001243"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,10]]},"references-count":36,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2022,10]]}},"alternative-id":["S2531137921001243"],"URL":"https:\/\/doi.org\/10.1016\/j.htct.2021.06.013","relation":{},"ISSN":["2531-1379"],"issn-type":[{"value":"2531-1379","type":"print"}],"subject":[],"published":{"date-parts":[[2022,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Comparative analysis of hematological parameters of first-time and repeat blood donors: Experience of a blood bank in southern Nigeria","name":"articletitle","label":"Article Title"},{"value":"Hematology, Transfusion and Cell Therapy","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.htct.2021.06.013","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Associa\u00e7\u00e3o Brasileira de Hematologia, Hemoterapia e Terapia Celular. Published by Elsevier Espa\u00f1a, S.L.U.","name":"copyright","label":"Copyright"}]}}