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Table 2 Sample characteristics

From: Hospital costs of central line-associated bloodstream infections and cost-effectiveness of closed vs. open infusion containers. The case of Intensive Care Units in Italy

 

Cases (N = 43)

Controls (N = 97)

P value

Age

   

Mean (std. dev.)

62.1 (16.8)

66.6 (16.2)

0.143

Gender

   

   female

24 (56%)

55 (57%)

0.922

   male

19 (44%)

42 (43%)

 

Professional status

   

   employed

14 (33%)

22 (23%)

0.319

   retired

25 (58%)

69 (71%)

 

   unemployed

4 (9%)

6 (6%)

 

ASIS

   

   1

5 (12%)

19 (20%)

0.397

   2

13 (31%)

28 (30%)

 

   3

7 (17%)

21 (23%)

 

   4

14 (33%)

18 (19%)

 

   5

3 (7%)

7 (8%)

 

Department

   

   UCC

4 (9%)

10 (10%)

0.897

   TIPO

12 (28%)

26 (27%)

 

   RIA

15 (35%)

39 (40%)

 

   ID

12 (28%).

22 (23%)

 

Type of admission

   

   surgical

3 (7%)

9 (9%)

0.654

   medical

40 (93%)

88 (91%)

 

Type of BSI

   

   lab confirmed

18 (42%)

  

   clinical sepsis

25 (58%)

  
  1. Test Chi-2 for categorical variables, Student t test for normally distributed data and Mann Whitney U test for ordinal and non-normally distributed (skewed) data.