Skip to main content

Table 2 Results of post hoc tests of mean difference following robust (bootstrapped) ANCOVA. The presence of delirium was associated with an increased length of stay of 3.45 days. Considering possible delirium separately, there was an increased length of stay of 2.21 days compared to those without delirium. Results of statistical significance (p<0.005) have been highlighted in bold

From: Delirium is prevalent in older hospital inpatients and associated with adverse outcomes: results of a prospective multi-centre study on World Delirium Awareness Day

Status (a)

Status (b)

Mean difference (a − b)

Bootstrap

Bias

SE

p

95% confidence interval

Lower

Upper

No or possible delirium

Delirium

− 3.45

0.017

0.84

0.001

− 5.07

− 1.75

No delirium

4AT positive, no delirium

− 2.55

− 0.01

1.35

0.052

− 5.21

0.04

Possible delirium

− 2.21

− 0.07

1.08

0.038

− 4.52

− 0.27

Delirium

− 3.95

− 0.02

0.91

0.001

− 5.78

− 2.22

4AT positive, no delirium

Possible delirium

0.34

− 0.06

1.65

0.820

− 3.00

3.61

Delirium

− 1.41

− 0.01

1.50

0.35

− 4.35

1.69

Possible delirium

Delirium

− 1.74

0.05

1.31

0.183

− 4.19

0.89