Table. Cost, effectiveness, and benefits of six competing infection-control strategies.

Option	Incremental cost of prevention	Incremental benefita	Effectb
Option 6	$299,611	1,942	4.00%
Option 3	$523,487	1,205	2.50%
Option 2	$643,487	3,346	6.80%
Option 5	$812,457	3,448	7.10%
Option 1	$874,512	1,059	2.20%
Option 4	$892,931	3,960	8.00%

^aCases prevented.
^bReduction in incidence.