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Table 3 Impact of delirium and other clinical indices on the primary and secondary endpoints

From: Delirium is associated with high mortality in older adult patients with acute decompensated heart failure

Primary endpoint (90-day mortality) Univariable Multivariable
HR 95% CI p-value Adjusted HR 95% CI p-value
 Age 1.0 0.9–1.1 0.989 0.9 0.8–1.0 0.081
 Male sex 0.4 0.1–1.7 0.240 0.5 0.1–2.2 0.334
 Clinical frailty scale score 2.0 1.3–3.0 0.002 1.5 0.9–2.5 0.181
 Dementia 6.4 1.6–25.7 0.009 3.0 0.5–20.2 0.251
 BNP level 1.0 1.0–1.1 0.673 1.0 0.9–1.0 0.372
 Delirium 6.8 1.7–27.3 0.007 6.8 1.1–42.6 0.042
Risk factors for delirium Univariable Multivariable
OR 95% CI p-value Adjusted OR 95% CI p-value
 Age 1.1 1.0–1.2 0.001 1.1 1.0–1.2 0.040
 Male sex 1.1 0.5–2.3 0.859 3.2 1.2–10.1 0.031
 Clinical frailty scale score 2.5 1.7–3.8 < 0.001 2.1 1.4–3.4 < 0.001
 Dementia 6.3 2.7–14.9 < 0.001 3.3 1.1–10.4 0.040
 BNP level 1.0 1.0–1.1 0.040 1.0 1.0–1.1 0.339
  1. BNP Brain natriuretic peptide, CI Confidence interval, HR Hazard ratio, OR Odds ratio