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Table 1 Basic encounter characteristics at 1 h from ED entry

From: Prospective evaluation of an automated method to identify patients with severe sepsis or septic shock in the emergency department

 

Non-Septic Encounters

Septic Encounters

p-value

Pt. Est.

20 %

75 %

% Avail

Pt. Est.

20 %

75 %

% Avail

n

93,421

(58,269 unique patients)

352

(334 unique patients)

 

Age

39.6

27.3

57.1

100 %

60.9

51.7

73.4

100 %

0.0000

Female

58.2 %

57.9 %

58.5 %

 

53.7 %

48.3 %

59.0 %

 

0.0934

SBP

132

119

146

97 %

109

91

129

97 %

0.0000

DBP

77

68

86

97 %

60

48

73

97 %

0.0000

Mean BP

95

86

105

97 %

75

64

94

97 %

0.0000

Temp (C)

36.4

36.0

36.8

95 %

37.7

36.6

38.7

96 %

0.0000

HR

86

75

99

97 %

111

91

126

98 %

0.0000

WBC

8.5 K

6.7 K

10.9 K

22 %

14.3 K

9.8 K

20.6 K

53 %

0.0000

Lactate

1.7

1.2

2.5

3 %

2.8

1.9

4.7

36 %

0.0000

Screen

6.8 %

6.6 %

6.9 %

 

61.9 %

56.6 %

67.0 %

0

0.0000

Flag

3.1 %

3.0 %

3.2 %

 

54.3 %

48.9 %

59.6 %

0

0.0000

  1. Median and quartiles provided for continues variables
  2. Mean and 95 % exact confidence intervals provided for binary variables
  3. SBP Systolic blood pressure, DBP Diastolic blood pressure, BP blood pressure, HR heart rate, WBC white blood cell count