Limitations
Taking into account that LoChro-Care was a novel intervention being implemented for the first time, some limitations should be mentioned. First, the self-reporting nature of the questionnaires may have resulted in recall biases, especially in face of our target sample of older people.
A substantial limitation regarding the external validity could be the regional specificity of the study. The conduct of the study was limited to the area of Freiburg and the surrounding area. The implementation of the intervention and the study results may have been influenced by specific characteristics of this area, such as relatively high socioeconomic performance. Moreover, we excluded patients with terminal illnesses and insufficient knowledge of German.
Although the sample size could be considered considerable in the context of geriatric research, it was relatively small in terms of a cost-effectiveness analysis. Given the enormous standard deviation in total costs (see Table 