Table 2.

Demographic and clinical characteristics of the study population

Demographic and baseline characteristics	Study population [n = 343]	Patients w/o delirium [n = 222]	Patients with delirium [n = 121]	p valuea
Age [years]	64 [52; 73]	63.5 [51; 73]	64 [52; 73]	0.988
Sex female [%]	34.7	37.4	29.8	0.193
Body mass index [kg/m2]	24 [22; 27]	24 [22; 27]	24 [22; 27]	0.639
SAPS3	51 [43; 62]	49 [42; 59]	57 [46; 67]	<0.001
TISS-28	31 [25; 34.5]	30 [24; 33]	34 [27; 38]	<0.001
SOFA Score	4 [2; 7]	3 [1; 5]	7 [4; 10]	<0.001
Age >65 years [%]	44.6	44.6	44.6	0.998
Mechanical ventilation [%]	20.4	12.2	35.6	<0.001
Deep sedation [RASS-5] [%]	19.8	11.3	35.6	<0.001
ICU-length of stay [d]	3 [2; 6]	3 [2; 4]	5 [3; 9]	<0.001
Hospital-length of stay [d]	9 [4; 17]	8 [4; 13]	11 [5; 22]	<0.001
ICU-mortality [%]	9.9	5.4	18.2	<0.001
Hospital-mortality [%]	14.0	9.0	23.1	<0.001

Median values are shown with 25^th and 75^th percentile in brackets. Statistically significant p-values are given in bold.

w/o, without; SAPS, simplified acute physiology score; TISS, therapeutic intervention scoring system; SOFA, sequential organ failure assessment; RASS, Richmond agitation-sedation scale.

^aChi-Square-Test or rank-sum test as appropriate.