Table 2

Clinical outcomes and multivariable analysis results

Ever Delirium (n = 125)

Never Delirium (n = 135)

Hazard ratio^a (95% CI)

p-value^a

LOS in ICU^b

4 (3,5)

3 (2,4)

1.29 (0.98–1.69)

0.07

LOS in hospital^b

5 (2,8)

3 (2,6)

1.41 (1.05–1.89)

0.023

In-hospital mortality^c

24 (19%)

8 (6%)

1.27 (0.54–2.98)

0.58

^aHazard ratios and p-values taken from multivariable Cox proportional hazards regression models adjusting for coma status, age, gender, race, APACHE II score, and Charlson co-morbidity index. ^bIntensive care unit (ICU) and hospital lengths of stay expressed as median days with interquartile ranges. ^cMortality expressed as n (%). CI, confidence interval; LOS, length of stay.

Thomason et al. Critical Care 2005 9:R375   doi:10.1186/cc3729