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Table 2 Risk of bias in studies included in the systematic review using the QUADAS2 tool

From: A systematic review and meta-analysis of studies on screening for mild cognitive impairment in primary healthcare

Study Risk of bias Applicability concerns
Patient selection Index test Reference standard Flow and timing Patient selection Index test Reference standard
Brodaty [20] LR UR HR LR LR HR LR
Zaganas [27] UR LR LR HR LR LR LR
Arabi [33] HR HR LR UR LR LR LR
Arabi 2016 [34] LR LR UR LR LR LR LR
Chan [31] UR LR LR UR HR LR LR
Eichler [26] LR HR LR UR LR LR LR
Grober 2014 [38] HR LR LR UR UR LR LR
Grober 2017 [39] HR HR LR UR UR LR LR
Grober 2016 [37] LR HR LR UR UR LR LR
Iatrakia 2017 HR HR HR UR UR UR LR
Okudur [36] UR HR LR UR LR LR LR
Larner [23] UR HR HR LR HR LR UR
Pandhita [27] LR HR UN LR HR HR HR
Petrazzuoli [30] LR HR HR LR LR UN LR
Salami 2019 [29] HR LR UN HR HR LR UN
Shaaban [35] HR UN UN HR LR LR LR
Stein LR UN LR HR LR LR LR
Teixeira [32] HR LR UN HR LR LR UR
Thyrian HR UN UN HR UN LR LR
Xue [22] HR LR UN UN LR LR HR
Yang [21] HR HR UN HR UN LR LR
  1. Note: LR Low Risk, HR High Risk, UR Unclear Risk