The authors of this
JAMA Viewpoint article say the model has been a success, but
the arguments are unconvincing. Here are some caveats:
The experiment is in
its infancy.
Overall the results
are mixed.
Cost savings have
been modest and in some cases are diminishing and may prove to be
transient. That's what we saw in the managed care experiment of a
couple of decades ago.
Statements about
quality improvement are suspect because real quality cannot be
measured. Outcome data are very soft.
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