Nonpharmacological Interventions Targeted at Delirium Risk Factors, Delivered by Trained Volunteers (Medical and Psychology Students), Reduced Need for Antipsychotic Medications and the Length of Hospital Stay in Aged Patients Admitted to an Acute Internal Medicine Ward: Pilot Study

Table 2

Baseline characteristics of the intervention and the control group.

Variables	Intervention group ()	Control group ()	value
Age; mean ± SD (years)			0.63
(%) men	25 (38.4%)	25 (38.4%)	1.00
CCI; mean ± SD (points)			0.93
ACCI; mean ± SD (points)			0.97
(%) respiratory diseases	32 (49.2%)	36 (55.4%)	0.48
(%) chronic heart failure	30 (46.9%)	32 (49.2%)	0.79
(%) diabetes mellitus type 2	24 (36.9%)	19 (29.2%)	0.35
(%) chronic kidney disease	25 (38.4%)	27 (41.5%)	0.72
(%) neoplasm (all types included)	10 (15.4%)	5 (7.7%)	0.17
(%) anemia	15 (23.1%)	18 (27.7%)	0.55
(%) urinary tract infection	10 (15.4%)	13 (20.0%)	0.49
(%) cognitive impairment	15 (23.1%)	13 (20.0%)	0.67

CCI: Charlson Comorbidity Index. ACCI: Age-Adjusted Charlson Comorbidity Index.