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International Journal of Implant Dentistry

Table 2 ROBINS-I tool risk of bias in non-randomised studies

From: Dental implants and risk of bleeding in patients on oral anticoagulants: a systematic review and meta-analysis

Study

Confounding

Selection of participants

Intervention classification

Deviation from intervention

Missing data

Measurement of outcome

Selection of reported result

Overall

Manor 2020 [6]

2

2

3

2

1

3

2

2

Sannino 2020 [12]

2

2

1

1

1

3

2

1

Galletti 2020 [11]

3

3

2

2

3

2

2

3

Okamoto 2018 [17]

3

3

2

2

2

3

2

3

Gomez-Moreno 2018 [14]

2

2

2

1

1

2

2

2

Clemm 2016 [15]

2

1

2

2

1

2

1

1

Gomez-Moreno 2016 [13]

2

3

1

1

1

3

3

2

Bacci 2011 [16]

2

3

1

1

3

2

1

2

  1. Risk of bias assessment: 0 – No information | 1 – Low | 2 – Moderate | 3 – Serious | 4 – Critical
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