Association of intensive care unit delirium with sleep disturbance and functional disability after critical illness: an observational cohort study

Table 3 Linear regression analysis for factors associated with change in disability scores from baseline to follow-up (n = 122)

Factor	Point estimate (95% confidence interval)	p value
Age	0.030 (0.001, 0.059)	0.048*
Female gender	0.015 (− 0.837, 0.868)	0.972
Baseline disability	− 0.267 (− 0.385, − 0.148)	< 0.001*
Preexisting depression	− 0.330 (− 1.401, 0.742)	0.548
APACHE II	0.027 (− 0.064, 0.119)	0.562
Hospital LOS	0.038 (− 0.013, 0.089)	0.149
Mechanically ventilated during ICU admission	0.240 (− 1.042, 1.523)	0.714
Time to interview in days	− 0.008 (− 0.014, − 0.001)	0.024*
Total days of delirium	0.213 (− 0.141, 0.568)	0.240

APACHE II Acute Physiology and Chronic Health Evaluation II, ICU intensive care unit, LOS length of stay, PSQI Pittsburgh Sleep Quality Index
*p < 0.05