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Annals of Intensive Care

Table 2 Negative binomial analysis for factors associated with follow-up PSQI scores (n = 112)

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

Factor

Rate ratio (95% confidence interval)

p value

Age

0.990 (0.982, 0.998)

0.013*

Female gender

1.056 (0.851, 1.309)

0.620

Preexisting depression

1.335 (1.036, 1.720)

0.025*

APACHE II

1.005 (0.982, 1.028)

0.664

Hospital LOS

1.003 (0.993, 1.014)

0.531

Mechanically ventilated during ICU admission

0.867 (0.622, 1.208)

0.399

Time to interview in days

1.000 (0.998, 1.001)

0.541

Total days of delirium

1.114 (1.023, 1.212)

0.013*

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