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Table 3 Comparison of PE ED visits during first and second half of study period

From: National trends in emergency room diagnosis of pulmonary embolism, 2001–2010: a cross-sectional study

  

ED visits for PE

 
  

2001-2005

2006-2010

 

Characteristic

 

No. of obs.

Weighted %

(95% CI)

No. of obs.

Weighted %

(95% CI)

P-value

Age

Under 65 years

75

62.3%

(5.6%)

87

52.1%

(4.5%)

0.17

 

65 years and over

48

37.7%

(5.6%)

73

48.0%

(4.5%)

 

Sex

Male

53

43.9%

(5.6%)

70

46.0%

(5.1%)

0.78

 

Female

70

56.1%

(5.6%)

90

54.0%

(5.1%)

 

Race

White

100

80.1%

(5.8%)

123

80.1%

(4.0%)

0.87

 

Black

21

18.8%

**

34

19.3%

(4.0%)

 
 

Other

2

1.1%

**

3

0.6%

**

 

Hemodynamics

Stable

84

75.2%

(4.7%)

119

75.1%

(4.6%)

0.99

 

Unstable

30

24.8%

(4.7%)

41

24.9%

(4.6%)

 

CT or MRI

Yes

46

37.9%

(5.7%)

108

69.2%

(4.7%)

<0.0001

 

No

77

62.1%

(5.7%)

52

30.8%

(4.7%)

 

Disposition

Admission/Transfer

96

88.8%

(3.0%)

137

90.5%

(2.8%)

0.59

 

Discharge from ED

23

11.8%

**

20

9.5%

**

 
 

Death on Arrival/in ED

4

1.9%

**

3

4.2%

**

 
  1. **Indicates insufficient observations to generate reliable confidence intervals.
  2. Comparison of demographic, clinical and hospital data between the first (2001–5) and second (2006–10) half of the study period associated with ED visits for PE.