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. 2021 Oct 29;2021(10):CD013658. doi: 10.1002/14651858.CD013658.pub2

12. Matrix of interventions and controls.

  Intervention
Control Volume displacement Volume replacement Both
BCS 39 6 13
Mx 0 3 0
Mx+R 3 2 1
Mx+‐R 0 0 1
BCS/Mx 2 0 0
BCS/Mx+‐R 0 0 2
BCS/Mx/Mx+R 2 0 2
Mx/Mx+R 1 0 0

BCS: breast‐conserving surgery
Mx: mastectomy
R: reconstruction