First, a dichotomous variable measures whether a hospital declares a diversion after a neighboring hospital declares a diversion, but while the neighboring hospital is still on diversion status
* Hours spent on diversion status
(deciding whether to accept ambulance patients) went from 30 hours per month to 17 hours
The hospital in Leominster has been on diversion status
for relatively short periods, like four or five hours at a time, said Diane Barletta, assistant director of the Central Massachusetts Emergency Medical Systems Corp.
In 2003, an estimated 45% of hospital EDs were on diversion status
at some time during the previous year.
For example, while 2 of every 3 hospitals reported asking ambulances to be diverted to other hospitals at some point in fiscal year 2001, a smaller portion--about 1 of every 10--reported being on diversion status
for more than 20 percent of the year.