| Study | Reason for exclusion |
|---|---|
| Andersson 2017 | Density change not measured (not defined as a measure between a baseline and a follow‐up mammogram) |
| Atkinson 1999 | Wrong outcomes |
| Becker 2009 | Review |
| Boisserie‐Lacroix 2008 | Article not in English |
| Boutet 2004 | Article not in English |
| Boyd 2001 | Wrong study design |
| Boyd 2011 | Wrong study design |
| Chlebowski 2003 | Wrong study design |
| Cosmacini 1993 | Abstract only; not peer reviewed, insufficient information |
| Cuzick 2012 | Wrong study design |
| Decensi 2004 | Abstract only; not peer reviewed, insufficient information |
| Decensi 2009 | Density change not measured (not defined as a measure between a baseline and a follow‐up mammogram because repeated measures ANOVA was used; additionally digital density was calibrated by adjusting for different variables at different time points, so density was not the same at baseline and follow‐up mammogram) |
| Ekpo 2016 | Wrong outcomes |
| Engmann 2017 | Wrong outcomes |
| Eriksson 2018 | Wrong outcomes |
| Fabian 2006 | Wrong study design |
| Fabian 2007 | Wrong study design |
| Fabian 2016 | Review |
| Ghosh 2010 | Wrong study design |
| Kanbayti 2019 | Review |
| Kim 2014 | Association between MRI density method and risk not validated |
| Kmietowicz 2013 | Editorial about another paper / not primary research data |
| Macis 2011 | Abstract only; not peer reviewed, insufficient information |
| Martin 2009 | Wrong study design |
| Martin 2016 | Abstract only; not peer reviewed, insufficient information |
| Mullooly 2016 | Review |
| Mullooly 2018 | Editorial about another paper / not primary research data |
| Mullooly 2019 | Duplicate study (study participants were a subset of Nyante 2015: "Women in this study were part of a previously conducted case‐control study designed to evaluate the prognostic significance of MD [mammographic density] change") |
| NCT00066586 | Wrong study design |
| NCT00086749 | Wrong outcomes |
| NCT00114270 | Wrong study design |
| NCT00238316 | Wrong study design |
| NCT00316836 | No results posted |
| NCT00445445 | Still recruiting |
| NCT00516698 | Wrong outcomes |
| NCT01765049 | Still recruiting |
| NCT01773551 | Withdrawn |
| Ozhand 2013 | Abstract only; not peer reviewed, insufficient information |
| Redfern 2016a | Wrong study design |
| Redfern 2016b | Abstract only; not peer reviewed, insufficient information |
| Shawky 2017 | Review |
| Ursin 1996 | Wrong outcomes |
| Vachon 2013a | Wrong study design |
| Vachon 2013b | Wrong outcomes |
| Whitman 2000 | Review |
ANOVA: analysis of variance MRI: magnetic resonance imaging