Evaluation of an ICU-specific Questionnaire for Patient-reported Outcome Measures

An ICU-specific questionnaire for patient reported outcome measures (PROM) after critical care will be tested in a study of 650 patients recruited six months to three years after discharge from the ICU, and 150 controls who have not been critically ill, matched for age and sex. The questionnaire is sent by mail after an invitation letter followed by a phone call and returned in a pre-stamped envelope. It is then scanned and data imported digitally. Medical data from the ICU-stay can be added. Further analyses after comparison with the control population and item reduction will follow.