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Table 1 Univariate/multivariate testing: mortality-associated factors of patients admitted after cardiac arrest

From: Effect of intensive care after cardiac arrest on patient outcome: a database analysis

 

Univariate logistic regression

Multivariate generalized estimation equation model

 

All patients (died in hospital, %)

Odds ratio (95% CI)

P value

Odds ratio (95% CI)

P value

SAPS II scorea

 

1.061 (1.057-1.064)

<0.001

1.05 (1.05-1.06)

<0.001

Male

3,753 (54.92)

0.85 (0.76-0.95)

0.003

0.96 (0.84-1.09)

0.5262

Age

 

1.03 (1.02-1.03)

<0.001

  

Year

 

1.01 (0.99-1.02)

0.241

0.98 (0.96-1.01)

0.187

Year dichotomized (before and after 2005)

 

1.065 (0.96-1.181)

0.237

0.87 (0.73-1.04)

0.1386

Comorbidities

     

Chronic renal insufficiency

618 (66.83)

1.64 (1.37-1.95)

<0.001

  

Chronic respiratory insufficiency

510 (63.92)

1.41 (1.17-1.7)

<0.001

  

Chronic cardiac failure NYHAb IV

1,474 (61.67)

1.34 (1.19-1.51)

<0.001

  

Coronary angiography unit in hospital

3,805 (56.64)

0.93 (0.82-1.04)

0.205

  

ICU type

     

Medical cardiac

1,739 (58.48)

Reference

 

Reference

 

Medical

1,850 (55.84)

0.9 (0.79-1.02)

0.110

0.79 (0.59-1.07)

0.1256

Postoperative:– hospital <500 beds

1,172 (59.3)

1.03 (0.89-1.2)

0.660

0.82 (0.61-1.1)

0.1858

Postoperative: hospital ≥500 beds

1,008 (51.98)

0.77 (0.66-0.9)

0.001

0.76 (0.5-1.13)

0.1767

Trauma

88 (37.5)

0.43 (0.27-0.66)

<0.001

0.39 (0.17-0.92)

0.0313

Admission type

     

Medical

5,665 (56.88)

Reference

   

Scheduled surgery

88 (28.41)

0.3 (0.19-0.48)

<0.001

  

Unscheduled surgery

95 (49.47)

0.74 (0.49-1.11)

0.147

  

10 resuscitations per year

 

0.99 (0.95-1.03)

0.497

0.7 (0.57-0.86)

0.0009

SAPS II × 10 resuscitations per year

   

1 (1–1.01)

0.014

Beds in ICU

 

0.96 (0.95-0.98)

<0.001

1.02 (0.96-1.08)

0.4823

TISS-intervention (patient received: yes/no)

     

Mechanical ventilation

5,339 (60.09)

6.79 (5.39-8.55)

<0.001

  

Enteral nutrition

2,962 (49.66)

0.57 (0.52-0.64)

<0.001

  

Parenteral nutrition

2951 (53)

0.76 (0.68-0.84)

<0.001

  

Renal support

482 (68.88)

1.79 (1.47-2.19)

<0.001

  

Single vasoactive medication

3,489 (52.08)

0.65 (0.58-0.72)

<0.001

  

Multiple vasoactive medication

2,803 (64.4)

1.88 (1.69-2.09)

<0.001

  

Interventions outside the ICU

2,738 (50.26)

0.63 (0.56-0.69)

<0.001

  

Cardiopulmonary resuscitation

2,704 (68.9)

2.64 (2.37-2.94)

<0.001

  
  1. Odds ratios were constructed for hospital mortality with univariate/multivariate analysis. aSAPS II, Simplified Acute Physiology Score II; bNYHA, New York Heart Association functional classification.
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