Text original - Anglès - e have not used SPC

, Fishbone or Pareto charts
before the study;
e be stable in terms of size (past and future);
e be stable in terms of bed occupancy (past and
future);
e be similar in focus, i.e. patient types/
treatments;
e be similar in design, e.g. bays and single-bedded
rooms;
e be able to provide WA-MRSA incidence data for
25 months before the start of the study;
e have a monthly WA-MRSA incidence average 1
as measured over the 12 months before the
start of the study