Table 8: Multivariate logistic regression analysis of the need of ICU

in patients with arrhythmia.

Univariate

Multivariate

Variables

Unadjusted

odds ratio

(95% CI)

p

Variables

Adjusted

odds ratio

(95% CI)

p

The need for ICU

Male sex

1.691

(0.741-3.860)

0.211

Diabetes mellitus

2.656

 

(1.114-6.333)

0.028

Age ≥ 65 years old

3.203

(1.117-9.186)

0.026

Leukocytosis during admission

2.354

 

(0.996-5.565)

0.051

Any cardiovascular comorbidity

2.074

(0.888-4.843)

0.09

 

 

 

Diabetes mellitus

2.918

(1.248-6.824)

0.012

 

 

 

Chronic kidney disease

1.681

(0.740-3.818)

0.213

 

 

 

Leukocytosis during admission

2.616

(1.134-6.033)

0.023

 

 

 

Thrombocytopenia during admission

0.393

(0.112-1.379)

0.135

 

 

 

NLR > 6.82 during admission

2.641

(1.139-6.123)

0.017

 

 

 

The need for intubation and mechanical ventilation

History of stroke or TIA

17

(1.965-147.046)

0.027

History of stroke or TIA

46.426

(1.64-1314.392)

0.024

Leukocytosis during admission

3.224

(0.593-17.535)

0.24

Thrombocytopenia during admission

17.131

(1.623-180.777)

0.018

Thrombocytopenia during admission

5.775

(1.125-29.638)

0.053

NLR > 6.82 during admission

0.67

(0.005-0.882)

0.04

NLR > 6.82 during admission

8.914

(1.028-77.292)

0.041

New-onset atrial fibrillation

17.673

(0.777-402.004)

0.072

New-onset atrial fibrillation

14.333

(0.794-258.607)

0.144

 

 

 

Premature atrial complex

7.083

(0.559-89.744)

0.209

 

 

 

Hypotension requiring vasopressor

Age ≥ 65 years old

5.802

(1.79-18.805)

0.004

Age ≥ 65 years old

3.288

(0.911-11.861)

0.069

Obesity

2.091

(0.687-6.444)

0.193

Diabetes mellitus

4.850

(1.172-20.078)

0.029

Tachycardia during admission

2.549

(0.748-8.69)

0.126

Leukocytosis during admission

3.039

(0.814-11.343)

0.098

Any cardiovascular comorbidity

2.87

(0.75-10.979)

0.112

 

 

 

Diabetes mellitus

7.286

(1.895-28.007)

0.001

 

 

 

Chronic kidney disease

3.9

(1.021-14.892)

0.036

 

 

 

Leukocytosis during admission

4.039

(1.181-13.810)

0.019

 

 

 

NLR > 6.82 during admission

4.492

(1.311-15.387)

0.011

 

 

 

In-hospital mortality

Age ≥ 65 years old

5.785

(1.901-17.598)

0.001

Age ≥ 65 years old

3.404

(0.981-11.818)

0.054

Obesity

1.76

(0.722-4.012)

0.177

Diabetes mellitus

6.52

(2.445-17.387)

< 0.001

Hypoxia during admission

1.937

(0.848-4.422)

0.115

Leukocytosis during admission

2.289

(0.866-6.054)

0.095

Any cardiovascular comorbidity

2.143

(0.904-5.081)

0.081

 

 

 

Diabetes mellitus

8.315

(3.270-21.141)

< 0.001

 

 

 

Chronic kidney disease

2.813

(1.199-6.6)

0.016

 

 

 

Leukocytosis during admission

2.778

(1.199-6.436)

0.016

 

 

 

NLR > 6.82 during admission

2.745

(1.183-6.371)

0.017

 

 

 

Atrial arrhythmias (AF & PAC)

2.091

(0.678-6.444)

0.193

 

 

 

CI = confidence interval.

AF = atrial fibrillation.

ICU = Intensive Care Unit.

NLR = neutrophil-to-lymphocyte ratio.

PAC = premature atrial complex.

TIA = transient ischemic attack.