Table 2.

Variables and measurements for patient routine data.

Topic and variable				Measurement
Demographics
	Age			In years at admission
	Gender			Female or male
Clinical data
	Length of stay
		1 item calculated from the date of admission and date of discharge	Number of days
	Medical diagnosis
		ICD-10a code	5-digit code
	Symptom burden
		All 12 items of the HoNOSb [44] Overactive, aggressive, disruptive, or agitated behavior Nonaccidental self-injury Problem drinking or drug taking Cognitive problems Physical illness or disability problems Problems with hallucinations and delusions Problems with depressed mood Other mental and behavioral problems Problems with relationships Problems with activities of daily living Problems with living conditions Problems with occupation and activities	5-point Likert-type scale from 0 (no problem) to 4 (severe or very severe problem) measured at admission and discharge

^aICD-10: International Classification of Diseases-10.

^bHoNOS: Health of the Nation Outcome Scale.