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Table 1 Description of hospitals from the HCUP dataset included in the primary analysis, 2000—2011

From: The effect of seasonal and extreme floods on hospitalizations for Legionnaires’ disease in the United States, 2000–2011

Year

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

Overall.a

Number of Hospitals

36

24

36

34

29

30

37

29

38

32

33

31

 

Number of LD Cases

92

55

83

133

90

88

139

100

149

182

141

124

1376

Hospital Location (%)

             

Rural

11.1

8.3

11.1

5.9

3.4

3.3

8.1

3.4

0

6.2

9.1

-

6.4

Urban

88.9

91.7

88.9

94.1

96.6

96.7

91.9

96.6

100

93.8

90.9

-

93.6

Hospital Bedsize (%)

             

Small

8.3

8.3

16.7

11.8

17.2

10

5.4

3.4

5.3

12.5

9.1

-

9.8

Medium

33.3

29.2

22.2

35.3

13.8

20

21.6

24.1

34.2

18.8

18.2

-

24.9

Large

58.4

62.5

61.1

52.9

69

70

73

72.5

60.5

68.7

72.7

-

65.4

Geographic Region (%)

             

Northeast

63.9

70.8

61.1

73.5

72.4

66.7

62.2

69

57.9

71.9

63.6

64.5

66.2

Midwest

25

16.7

25

8.8

6.9

13.3

16.2

13.8

21.1

18.8

15.2

19.4

16.8

Southwest

8.3

8.3

8.3

11.8

17.2

13.3

16.2

13.8

18.4

6.2

12.2

9.7

12.3

West Coast

2.8

4.2

5.6

5.9

3.5

6.7

5.4

3.4

2.6

3.1

9

6.5

4.7

Mean Annual Discharge (SD)

20,600 (12,600)

22,600 (12,800)

19,700 (9,620)

21,400 (14,300)

24,900 (13,900)

23,700 (11,000)

24,000 (15,800)

27,600 (13,500)

25,200 (11,200)

25,500 (14,400)

21,900 (13,200)

24,900 (11,200)

23,300 (13,100)

Number of Hospitals

58.4

62.5

61.1

52.9

69

70

73

72.5

60.5

68.7

72.7

-

65.4

  1. a75 hospitals were included in the primary analysis, each of which contributed at least 4 years of data; the number per year refers to the number, out of the 75, that contribute in that given year