Patients admitted to the SICUs during the two periods who met the following elig ibility criteria were selected: SICU stay
of 2 days or long er, older than 18 years, no ulcers at ICU admis-sion, and the first admission to an ICU during the study period.During the 6-month intervention period, 866 patients were identified. They received the usual nursing assessment and
interventions from 64 nurses who were blinded to the elig ibil-ity criteria. For the baseline period, 348 patients meeting the
elig ibility criteria were selected retrospectively