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Table 4 Interactions between poor quality of sleep on the first night after surgery and having benzodiazepine history on delirium incidence

From: Evaluation of postoperative delirium in cardiac surgery patients with the SDACS screening tool: a multicenter-multiphase study

Additive interaction

Multiplicative interaction

Interaction

S (95% CI)

AP (95% CI)

RERI (95% CI)

HR (95% CI)

3.43 (1.51–5.35)

0.70 (0.54–0.86)

71.47 (14.09–128.85)

22.32 (14.25–34.96)

Sleep and benzodiazepine

  1. Abbreviations: HR hazard ratio, RERI relative excess risk due to interaction, AP attributable proportion, S synthetic index
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Perioperative Medicine

ISSN: 2047-0525