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Table 4 Results of the Newcastle-Ottawa Scale

From: Grey matter changes on brain MRI in subjective cognitive decline: a systematic review

Reference Selection Comparability Exposure Total
Adequate definition Representativeness Selection of controls Definition of controls Ascertainment Method Non-response rate
Beckett et al. (2015) [31] * *   * ** * *   7
Caillaud et al. (2020) [32] * * * * ** * *   8
Cantero et al. (2016) [33] *    * ** * *   6
Cherbuin et al. (2015) [34]   * * * ** * *   7
Chételat et al. (2010) [16,17] * * * * ** * *   8
Choi et al. (2015) [18] *    * * * *   5
Cong et al. (2018) [35]   *    ** * *   5
Dong et al. (2020) [19] *    * ** * *   6
Eliassen et al. (2017) [61] *   * * ** * *   6
Erk et al. (2011) [20] *   * * ** * *   6
Fan et al. (2017) * *   * ** * *   6
Flier et al. (2004) [38] * * * * * * *   7
Hafkemeijer. (2013) [21, 22] * * * * ** * *   8
Hong et al. (2014) [62] * *   * ** * *   7
Hong et al. (2015) [23] *   * * ** * *   7
Ivanoiu et al. (2015) [39] * * * * ** * * * 9
Jessen et al. (2006) [40] * * * * ** * *   8
Kim et al. (2013) [56] * * * * ** * *   8
Kiuchi et al. (2014) [11] * * * * ** * *   8
Lauriola et al. (2017) [63] *   * * ** * *   7
Liang et al. (2020) [24] * * * * ** * *   8
Lim et al. (2019) [66] * * * *   * *   6
Lindberg et al. (2017) [41] * * * * ** * *   8
López-Sanz et al. (2017) [42] * *   * ** * *   7
López-Sanz et al. (2016) [43] * *   * ** * *   7
Marcotte et al. (2019) [44] *    * ** * *   6
Meiberth et al. (2015) [64] * * * * ** * *   8
Niemantsverdriet et al. (2018) [65] * * * * ** * *   8
Parker et al. (2020) [25]   * *    * * * 5
Perrotin et al. (2015) [26] * * * * ** * *   8
Perrotin et al. (2017) [12] * * * * ** * *   8
Platero et al. (2018) * * * * ** * *   8
Risacher et al. (2020) [45] * *   * ** * *   7
Rogne et al. (2016) [46] *    * ** * *   6
Ryu et al. (2017) [47] * * * * ** * *   8
Sánchez-Benavides et al. (2018) *    * ** * *   6
Saykin et al. (2006) [27] *    * ** * *   6
Scheef et al. (2019) [48]   * *   ** * *   6
Scheef et al. (2012) [28]   * *   ** * *   6
Schultz et al. (2015) [49]      ** * *   4
Selnes et al. (2012) [13] * * * * ** * *   8
Shu et al. (2018) [50] * * * * * * *   7
Striepens et al. (2010) [51] * * * * * * *   7
Sun et al. (2016) [29] * * * * * * *   7
Tepest et al. (2008) [52] * *   * * * *   6
van Rooden et al. (2018) [53] *     ** * *   5
Wang et al. (2006) *    * ** * *   6
Xue et al. (2020) [30] * *   * ** * *   7
Yue et al. (2018) [54] * * * * ** * *   8
Zajac et al. (2020) [55] * *   * ** * *   7
Zhao et al. (2019a) * *   * * * *   6
Zhao et al. (2019b) * * *   ** * *   7
  1. The “*” means a star or point allotted for each category