Table 2.

Overview of main themes and related sub-themes

Main themes	Sub-themes
Individual-level aspects related to frequent and unplanned hospital admissions	Severe illness necessitates the use of multiple healthcare services Reduced functional abilities are part of a complex pattern of healthcare needs Living situation and unmet psychosocial needs impact overall healthcare needs
Structural-level aspects related to frequent and unplanned hospital admissions	In-hospital care fails to address complexity before discharge Hasty hospital discharges and insufficient information Lack of essential and comprehensive municipal healthcare services