PROMS stands for Patient Reported Outcome Measures. In Dutch this is called patient reported outcome measures.

In the hospital, you are asked to complete questionnaires during a number of treatments. In this way, the hospital maps out your health situation and can see whether it is improving as a result of the treatment. These questionnaires are called PROMs.
The PROMs questionnaires used contain questions about, for example, general daily functioning, pain, mobility, (mental) health and quality of life.

PROMS are questionnaires that help to map out your health situation.