Table 4.

Psychiatric complications during hospitalization for acute stroke compared between PDPD and non-PDPD patients

Psychiatric complication	PDPD patients	Non-PDPD patients	p-value
Delirium, n (%)	62 (31.1)	94 (15.7)	0.001
Depressive syndrome, n (%)	15 (7.5)	20 (3.3)	0.012
Newly prescribed antidepressant, n (%)	15 (7.5)	27 (4.5)	0.097
Newly prescribed antipsychotic, n (%)	46 (23.1)	95 (15.9)	0.020
Newly prescribed benzodiazepine, n (%)	29 (14.6)	42 (7.0)	0.001
Dosage increase of pre-existing psychiatric medication, n (%)	6 (3.0)	1 (0.2)	0.001
Physical restraint, n (%)	8 (4.0)	12 (2.0)	0.115

Note: Bold data indicate statistical significance.

Abbreviation: PDPD, predocumented psychiatric diagnosis.