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Table 1 Clinical heterogeneity: PROWESS versus PROWESS-SHOCK - trial characteristics

From: Severe sepsis: are PROWESS and PROWESS-SHOCK trials comparable? A clinical and statistical heterogeneity analysis

Trial characteristic

Trial

Proportion with characteristic

Comparison P-value

Enrolled in North America

PROWESS

54.7%

P < 0.0001

 

PROWESS-SHOCK

14.1%

 

Chronic obstructive pulmonary disease

PROWESS

24.1%

P < 0.0001

 

PROWESS-SHOCK

15.5%

 

Lung as site of infection

PROWESS

53.6%

P < 0.0001

 

PROWESS-SHOCK

43.9%

 

Presence of shock

PROWESS

71%

P < 0.0001

 

PROWESS-SHOCK

100%

 

S. pneumoniae infections

PROWESS

11.9%

P < 0.0001

 

PROWESS-SHOCK

4.5%

 

S. aureus infections

PROWESS

14.3%

P < 0.0001

 

PROWESS-SHOCK

3.7%

 

Escherichia coli infections

PROWESS

16.5%

P < 0.0001

 

PROWESS-SHOCK

10.3%

 

Klebsiella spp. Infections

PROWESS

6.2%

P < 0.0001

 

PROWESS-SHOCK

2.2%

 

Use of appropriate antibiotics

PROWESS

91.2%

P < 0.0001

 

PROWESS-SHOCK

84.2%

 

Use of steroids for septic shock

PROWESS

13.5%

P < 0.0001

 

PROWESS-SHOCK

49.5%

 

Use of heparin

PROWESS

75.2%

P < 0.0001

 

PROWESS-SHOCK

44.7%

 

Serious bleeding with drotrecogin

PROWESS

3.5%

P = 0.0017

 

PROWESS-SHOCK

1.2%

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