Limitations
CMD
We would like to explore the possibility that TAU is adequate on its own. This has been confirmed in other studies on CMD in primary health care. Kivi et al. [In addition to the problems that have already been discussed – i.e. issues with the intervention content, lack of data on symptom development and limited knowledge about what happened in the control group – there is one more important limitation to be raised. It would have been desirable to make sub-group comparisons within the intervention group in order to deepen our knowledge about the mechanisms involved [