Table 3.

Cause of admission according to ICD-10 classification

Cause of admission (ICD-10 Classification)	Delirium DSM-5 (n = 63)	No-Delirium DSM-5 (n = 635)
Certain infectious and parasitic diseases (A00-B99)	2 (3.2%)	2 (0.3%)
Diseases of the nervous system (G00-G99)	10 (15.9%)	127 (20.0%)
Diseases of the circulatory system (I00-I99)	46 (73.0%)	383 (60.3%)
Diseases of the respiratory system (J00-J99)	2 (3.2%)	10 (1.6%)
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)	2 (3.2%)	48 (7.6%)
Injury, poisoning and certain other consequences of external causes (S00-T98)	1 (1.6%)	3 (0.5%)
Other diagnosis	0 (0.0%)	62 (9.8%)