Table 1 Patient Characteristics (in % except for DTP time)^a

Sample size (n)

3,316

373

7,677

1,599

National estimate

4,373,693

505,694

10,242,283

2,227,674

Triage level 1 or 2

23.27

16.03

20.35

17.12

DTP time

Average minutes

(S.E.)

48.60

(3.25)

39.20

(4.45)

44.03

(2.30)

39.90

(3.03)

Age

 < 40

30.57

24.70

36.85

37.89

40–64

41.25

34.69

37.06

33.43

65 + 

28.18

40.61

26.09

28.59

Sex

Male

38.44

45.99

35.99

39.53

Female

61.56

54.01

64.01

60.47

Race

Non-Hispanic White

60.24

60.94

60.96

60.36

Non-Hispanic black

22.01

18.55

22.50

22.74

Hispanic

14.36

16.16

13.38

14.09

Others

3.39

4.35

3.17

2.80

Insurance

No insurance

18.44

19.45

18.87

22.61

Private

28.42

26.77

25.81

23.09

Public

53.14

53.77

55.32

54.30

MSA

No

16.01

17.49

17.35

18.83

Yes

83.99

82.51

82.65

81.17

Ambulance arrival

No

79.30

74.65

77.29

67.52

Yes

20.70

25.35

22.71

32.48

Ambulance transfer from another facility

No

99.09

99.63

98.95

98.41

Yes

0.91

0.37

1.05

1.59

Heart rate

60–99

75.80

75.54

72.71

72.69

 < 60

8.55

15.34

8.26

12.09

 >  = 100

15.65

9.12

19.03

15.22

Systolic BP

 < 140

53.29

43.11

57.33

56.45

140–179

38.59

42.68

34.94

34.57

 >  = 180

8.12

14.21

7.73

8.98

Pulse Oximeter

 >  = 90%

98.15

92.94

97.86

96.77

 < 90%

1.85

7.06

2.14

3.23

Prior ED visit < 72 h ago

No

96.03

95.84

95.97

96.96

Yes

3.97

4.16

4.03

3.04

Medical Hx

Cancer

4.59

6.05

4.48

3.53

Stroke

10.96

14.55

8.29

9.92

Renal disease

4.85

6.08

4.65

3.19

CHF

4.93

4.53

5.44

4.63

CAD

13.08

14.89

10.91

10.47

DM

18.98

21.55

17.88

17.80

Thromboembolism

1.59

0.37

1.83

1.15

Hyperlipidemia

18.47

16.30

15.69

15.08

Hypertension

43.71

46.00

40.24

36.56