Table 4.

Prediction of tool-based delirium screening

Parameter	CAM-ICU* (Regression coefficient, Wald 95% CI)	ICDSC† (Regression coefficient, Wald 95% CI)
Dementia	− 1.32 (− 2.64–0.01); p = 0.051	0.34 (− 1.08–1.76), p = 0.64
Impaired consciousness
RASS>0	3.60 (2.25–4.96), p < 0.001	4.15 (1.67–6.62), p = 0.001
RASS<0≥− 3	2.84 (1.52–4.15), p < 0.001	3.97 (2.54–5.40), p < 0.001
Expressive aphasia	0.92 (− 0.23–2.07), p = 0.12	0.97 (− 0.31–2.25), p = 0.14
Impaired comprehension	2.12 (1.26 − 2.98), p < 0.001	− 0.71 (− 2.06–0.65), p = 0.31
Hemineglect	1.51 (0.50–2.51), p = 0.003	− 0.38 (− 1.63–0.87, p = 0.55
Hemiparesis	0.01 (− 0.89–0.90), p = 0.99	− 0.12 (− 1.14–0.89), p = 0.81
Sedative medication	0.62 (− 0.69–1.93), p = 0.35	0.58 (− 2.00–3.17), p = 0.66

Model obtained with generalized estimating equations to assess for multiple measurements

CAM-ICU Confusion Assessment Method in the Intensive Care Unit, ICDSC Intensive Care Delirium Screening Checklist, RASS Richmond Agitation and Sedation Scale

*Assessments included in the model: n = 481 (n = 163 missing as rated “non-assessable” by either CAM-ICU or evaluation by clinical team), goodness of fit (corrected quasi-likelihood under the independence model criterion): 206.2

^†Assessments included in the model: n = 486, (n = 158 missing as rated “non-assessable” by either ICDSC or evaluation by clinical team), goodness of fit: 226.9