Effectiveness and cost-effectiveness of double reading in digital mammography screening: A systematic review and meta-analysis

Margarita Posso, Teresa Puig, Misericòrdia Carles, Montserrat Rué, Carlos Canelo-Aybar, Xavier Bonfill

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

Abstract

© 2017 Elsevier B.V. Purpose Double reading is the strategy of choice for mammogram interpretation in screening programmes. It remains, however, unknown whether double reading is still the strategy of choice in the context of digital mammography. Our aim was to determine the effectiveness and cost-effectiveness of double reading versus single reading of digital mammograms in screening programmes. Methods We performed a systematic review by searching the PubMed, Embase, and Cochrane Library databases up to April 2017. We used the QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies) tool and CHEERS (Consolidated Health Economic Evaluation Reporting Standards) checklist to assess the methodological quality of the diagnostic studies and economic evaluations, respectively. A proportion's meta-analysis approach, 95% Confidence Intervals (95% CI) and test of heterogeneity (P values) were used for pooled results. Costs are expressed US$ PPP (United States Dollar purchasing power parities). The PROSPERO ID of this Systematic Review's protocol is CRD42014013804. Results Of 1473 potentially relevant hits, four high-quality studies were included. The pooled cancer detection rate of double reading was 6.01 per 1000 screens (CI: 4.47‰–7.77‰), and it was 5.65 per 1000 screens (CI: 3.95‰–7.65‰) for single reading (P = 0.76). The pooled proportion of false-positives of double reading was 47.03 per 1000 screens (CI: 39.13‰–55.62‰) and it was 40.60 per 1000 screens (CI: 38.58‰–42.67‰) for single reading (P = 0.12). One study reported, for double reading, an ICER (Incremental Cost-Effectiveness Ratio) of 16,684 Euros (24,717 US$ PPP; 2015 value) per detected cancer. Single reading + CAD (computer-aided-detection) was cost-effective in Japan. Conclusion The evidence of benefit for double reading compared to single reading for digital mammography interpretation is scarce. Double reading seems to increase operational costs, have a not significantly higher false-positive rate, and a similar cancer detection rate.
Original languageEnglish
Pages (from-to)40-49
JournalEuropean Journal of Radiology
Volume96
DOIs
Publication statusPublished - 1 Nov 2017

Keywords

  • Breast neoplasms
  • Cost and cost analysis
  • Mammography
  • Mass screening
  • Systematic review

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