A retrospective audit of the first screening round of the Maltese breast screening programme |
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| Affiliation: | 1. Medical Imaging Department, Mater Dei Hospital, Msida, MSD 2090, Malta;2. Department of Radiography, Faculty of Health Sciences, University of Malta, Msida, MSD 2080, Malta;3. School of Radiography, Faculty of Health, Social Care and Education (HSCE), Kingston University and St George''s, University of London, Tower Block 4004, Penrhyn Road, Kingston Upon Thames, Surrey, KT1 2EE, United Kingdom;1. University of Salford, Salford M6 6PU, UK;2. Lisbon School of Health Technology, 1990-096 Lisbon, Portugal;3. Public Health Research Center, National School of Public Health, NOVA University of Lisbon, Portugal;4. Karolinska Institute, SE-171 77 Stockholm, Sweden;1. Department of Life Sciences and Health, Faculty of Health Sciences, Oslo and Akershus University College of Applied Sciences, Box 4, St. Olavs Plass, 0130 Oslo, Norway;2. School of Health Sciences, University of Salford, Salford M6 6PU, Greater Manchester, UK;3. The Cancer Registry of Norway, P.O. 5313 Majorstuen, 0304 Oslo, Norway;4. Radiology Department, University Hospitals of Morecambe Bay NHS Foundation Trust, Barrow-in-Furness, Cumbria, UK;5. Volpara Solutions Limited, P.O. Box 24404, Manners St Central, Wellington 6142, New Zealand;6. Karolinska Institute, Stockholm, Sweden;1. Department of Radiology, Central Manchester & Manchester Children''s Hospital NHS Foundation Trust, UK;2. Directorate of Radiography, University of Salford, UK |
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| Abstract: | PurposeTo analyse whether the screening performance parameters of the Maltese National Breast Screening Programme first screening round met requirements set by European standards. The association between screening age and results of screening performance parameters was also investigated.MethodQuantitative methodology was used to review examinations of women who were recalled for a technical recall or further assessment rates. All accessible members of the population recalled during the first round were retrospectively reviewed resulting in a sample of 2300 recalled examinations.ResultsMalta's first screening round met the European Guidelines recommendations for technical repeat rate (0.26%), early recall rate (0.45%), breast cancer detection rate (13.77 per 1000 women) and Positive Predictive Value of screening test (7.58%). However, local recall rate (18.53%) and further assessment rate (18.27%) were higher than recommended.The Chi square test showed a statistically significant difference (p ≤ 0.05) in recall rates between the compared age groups, as younger women (51–55 years) were more likely to have a negative diagnosis after the initial mammogram whereas older women (56–60 years) were more likely to be recalled. There was no age discrepancy (p ≥ 0.05) in local breast cancer detection rate and positive predictive value of screening test.ConclusionAlthough the Maltese first screening round performed well, this study found deficiencies in recall and further assessment rates, which according to literature may result in psychological morbidity and inefficient use of screening resources. This study also concluded that when a cohort is analysed, age is not as significant as the screening round itself (first/subsequent). |
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| Keywords: | Breast cancer Breast screening programme Screening performance parameter False positive mammogram Age effect |
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