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Table 1 Patient demographics, underlying illness, length of stay, device utilization and antibiotic usage during the two study periods

From: Should we use closed or open infusion containers for prevention of bloodstream infections?

 

Open infusion container

N = 548

Closed infusion container

N = 548

RR

95% CI

P-value

 

% (n/N)

% (n/N)

   

Sex (Male)

43.8% (240/548)

48.0% (263/548)

1.10

0.96 - 1.25

0.16

Sex (Female)

56.2% (308/548)

52.0% (285/548)

0.93

0.83 - 1.03

-

Endocrine Disease

21.0% (45/214)

30.3% (154/508)

1.44

1.08 - 1.93

0.01

Cardiac Failure

27.1% (58/214)

42.5% (216/508)

1.57

1.23 - 2.00

<0.01

Angina Pectoris

2.8% (6/214)

10.0% (51/508)

3.58

1.56 - 8.22

<0.01

Cardiac Surgery

0.0% (0/214)

0.4% (2/508)

-

-

0.36

COPD

0.0% (0/214)

15.0% (76/508)

-

-

<0.01

Cancer

4.2% (23/548)

4.2% (23/548)

1.00

0.57 - 1.76

1.0

Renal Impairment

4.7% (10/214)

7.5% (38/508)

1.60

0.81 - 3.15

0.17

Hepatic Failure

0.9% (2/214)

3.9% (20/508)

4.21

0.99 - 17.86

0.03

Abdominal Surgery

23.4% (128/548)

22.1% (121/548)

0.95

0.76 - 1.18

0.61

Thoracic Surgery

0.0% (0/214)

0.8% (4/508)

-

-

0.19

Trauma

0.0% (0/214)

1.2% (6/508)

-

-

0.11

Previous Infection

0.0% (0/214)

21.5% (109/508)

-

-

<0.01

Stroke

0.0% (0/214)

1.0% (5/508)

-

-

0.15

Immunodeficiency

0.9% (2/214)

1.6% (8/507)

1.69

0.36 - 7.89

0.50

Urinary catheter

91.2% (500/548)

94.0% (515/548)

1.03

1.00 - 1.07

0.08

Mechanical ventilator

66.4% (364/548)

68.2% (374/548)

1.03

0.95 - 1.12

0.52

 

Mean ± SD

Mean ± SD

   

ICU stay (days)

6.5 ± 6.56

7.1 ± 6.69

-

-

0.13

Age (yrs)

54.1 ± 18.29

54.4 ± 18.58

-

-

0.78

Severity-of-illness score

3.7 ± 0.90

3.8 ± 0.82

-

-

0.45

CL utilization per patient (days)

6.7 + 7.35

7.4 + 7.54

-

-

0.11

Mechanical ventilator utilization per patient (days)

4.3 ± 6.10

4.7 ± 6.61

-

-

0.24

Urinary catheter utilization per patient (days)

6.0 ± 6.64

6.6 ± 6.65

-

-

0.18

 

Defined daily dose

Defined daily dose

   

Antibiotic use per 1000 days

1485

1540

-

-

0.056

  1. n, number of subjects with the characteristic present at baseline; N, total number of subjects with the with available (non-missing) results for the characteristic at baseline.