Table 2.

Baseline characteristics of all patients with acute kidney injury.

Baseline characteristics	No delirium (N = 153)	Delirium (N = 230)	p-value
Age	68.1 (56.9–76.0)	73.2 (62.4–80.1)	0.001
Female	49 (32.0%)	74 (32.2%)	0.976
Comorbidities
Coronary heart disease	40 (26.1%)	68 (29.6%)	0.466
Heart rhythm disturbances	30 (19.6%)	87 (37.8%)	< 0.001
Obesity	24 (15.7%)	36 (15.7%)	0.993
Pulmonary disease	31 (20.3%)	44 (19.1%)	0.785
Liver disease	15 (9.8%)	28 (12.2%)	0.472
Chronic kidney disease	55 (35.9%)	87 (37.8%)	0.709
Peripherial/cerebral arterial occlusive disease	16 (10.5%)	32 (13.9%)	0.317
Neurological disease	23 (15.0%)	62 (27.0%)	0.006
Malignancy	33 (21.6%)	37 (16.1%)	0.174
Psychiatric disease/dementia	6 (3.9%)	41 (17.8%)	< 0.001
Alcohol abuse	6 (3.9%)	25 (10.9%)	0.015
Drug abuse	2 (1.3%)	9 (3.9%)	0.135

p value reported in bold if difference is significant (p < 0.05). Data are given as median and interquartile range (25th–75th) or number of patients (percent of all patients in group).