<s>
A	O
Barber	B-Application
–	I-Application
Johnson	I-Application
diagram	I-Application
is	O
a	O
method	O
of	O
presenting	O
hospital	O
statistics	O
combining	O
four	O
different	O
variables	O
in	O
a	O
unique	O
graph	O
,	O
introduced	O
in	O
1973	O
.	O
</s>
<s>
The	O
method	O
constructs	O
a	O
scattergram	B-Application
where	O
length	O
of	O
stay	O
,	O
turnover	O
interval	O
,	O
discharges	O
,	O
and	O
deaths	O
per	O
available	O
bed	O
are	O
combined	O
.	O
</s>
