The importance of individual' mental status for the true value of functional self-reported questionnaires used in medical rehabilitation.

The physical and mental health are inseparable and integral components of one's health and as such should always be addressed during the process of medical rehabilitation. It should be an obvious fact that the state of individual' mental health can influence and even more, modify, the outcomes of medical rehabilitation. Furthermore, the state of mental status has an effect in determining the reliability of functional self-reported questionnaires that are frequently used in medical rehabilitation. In conclusion, the evaluation and assessment of the individual's mental health status need to be incorporated as a regular part of the comprehensive and holistic approach to medical rehabilitation.