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Table 4 Multivariate analyses for factors associated with intensive care unit admission (Forward logistic regression model)*

From: Skin and soft tissue infections in hospitalized and critically ill patients: a nationwide population-based study

Variables

Other cellulitis or abscess

Decubitus ulcer

Post-operation wound infection

Infection due to vascular device/implant

Gangrene

Necrotizing fasciitis

Age ≥65 yr

1.88(1.40-2.52)

 

2.43(1.75-3.39)

   

Surgical conditions

5.49(4.04-7.45)

2.46(1.75-3.46)

13.38(7.73-23.17)

2.54(1.40-4.62)

  

Hospital level

      

   Medical center

1

1

   

1

   Regional hospital

0.90(0.65-1.24)

1.54(1.06-2.24)

   

0.38(0.21-0.69)

   District hospital

0.56(0.38-0.83)

0.95(0.65-1.40)

   

0.25(0.10-0.61)

Comorbid conditions

      

   Congestive heart failure

5.01(3.09-8.11)

1.89(1.13-3.19)

4.07(1.03-16.18)

4.07(1.50-11.06)

4.33(1.78-10.56)

 

   Cerebrovascular disease

3.25(2.01-5.27)

 

4.67(2.10-10.36)

   

   End stage renal disease

   

0.27(0.14-0.53)

  

   Cirrhosis

3.42(2.00-5.85)

   

35.81(3.77-340.61)

4.28(1.46-12.51)

   Cancer

1.95(1.17-3.25)

 

2.61(1.78-3.82)

0.17(0.08-0.38)

 

5.35(1.42-20.16)

   Infections other than SST

4.51(3.40-5.99)

3.27(2.39-4.49)

2.86(2.04-4.02)

2.61(1.52-4.50)

5.01(2.96-8.49)

4.02(2.33-6.95)

P-value for goodness-of-fit

0.081

0.970

0.375

0.846

0.374

0.542

Nagelkerke pseudo-R 2

0.202

0.107

0.314

0.200

0.179

0.242

  1. *Values represent adjusted odds ratio (95% confidence interval). Factors used for multivariate analyses included age ≥65 year, gender, medical/surgical conditions, hospital levels, comorbid conditions and infections other than skin/soft tissue (SST).