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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Crit Care Med. 2014 Feb;42(2):369–377. doi: 10.1097/CCM.0b013e3182a645bd

Table 3.

Associations between duration of ICU delirium and outcomes

Multivariable Regression Results
Outcomea Point Estimateb 95% Confidence Interval p-value
Katz ADL score Non-linear c 0.002
FAQ Score 1.4 0.9 to 2.1 0.15
SF-36 PCS Score −0.7 −3.2 to 1.8 0.58
Motor/Sensory Factors
Score		 −0.6 −1.1 to −0.1 0.018
a

Delirium duration is dependent variable in each model. All outcomes were evaluated as continuous measures.

b

Point Estimate indicates the odds ratio for proportional odds models (Katz ADL and FAQ) or the β-coefficient for mixed effects models (Awareness Questionnaire and SF-36) for outcome after adjusting for covariates over the course of the 12-month follow-up period from the 25th percentile to the 75th percentile.

c

Because the association is non-linear, the magnitude of the association cannot be summarized using a single odds ratio, therefore the association is graphed in Figure 2A.