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Table 4 Univariate logistic regression analysis of potential risk factors for delirium

From: Neutrophil-lymphocyte ratio as a predictor of delirium in older internal medicine patients: a prospective cohort study

Variable

Unadjusted OR (95 %CI)

P-value

Age (years)

1.14 (1.09–1.19)

< 0.001

Male sex

1.05(0.67–1.67)

0.826

Alcohol abuse

1.05 (0.62–1.76)

0.859

Smoker

1.71 (1.12–2.61)

0.013

Vision impairment

2.61 (1.71–3.99)

< 0.001

Hearing impairment

2.08 (1.36–3.20)

0.001

Cognitive impairment

56.95 (24.44-132.74)

< 0.001

Barthel index

0.94 (0.93–0.95)

< 0.001

CCI

  

Mild (≤ 2)

Reference

 

Moderate (3–4)

2.63 (1.61–4.30)

< 0.001

Severe (≥ 5)

6.76 (3.35–13.63)

< 0.001

Neutrophil count > 4.55 × 109/L

3.70 (2.26–6.06)

< 0.001

Lymphocyte count ≤ 1.14 × 109/L

3.36 (2.15–5.24)

< 0.001

NLR > 3.626

5.26 (3.26–8.50)

< 0.001

NLR quartiles

  

<2.055

Reference

 

2.055–3.110

1.26 (0.49–3.28)

0.630

3.111–5.735

5.53 (2.50-12.25)

< 0.001

> 5.735

7.32 (3.35–16.02)

< 0.001

  1. NLR neutrophil-lymphocyte ratio, CCI Charlson Comorbidity Index, OR odds ratio, CI confidence interval
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BMC Geriatrics

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