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Table 1 Distribution of Legionella and nosocomial Legionnaires’ disease among Piemonte health care facilities (2004–2009)

From: Virulence of Legionella pneumophila strains isolated from hospital water system and healthcare-associated Legionnaires’ disease in Northern Italy between 2004 and 2009

Health care facility code

Case mix

Number of beds

Nosocomial legionellosis cases

Legionella spp

MAb 3/1

1

1.62

1250

34

Lp1, Lp2-14, L.spp

+

2

1.1

732

3

Lp1, Lp2-14, L.spp,

+

3

1.32

559

17

Lp1, Lp2-14, L.spp,

+

4

0.81

289

8

Lp1, Lp2-14, L.spp,

+

5

1.06

203

9

Lp1

+

6

1.32

368

4

Lp1, L.spp

-

7

1.46

339

1

Lp1, Lp2-14, L.spp

-

8

1.22

722

1

Lp1, Lp2-14, Lspp

-

9

0.8

64

0

Lp1, Lspp

+

10

1.41

120

0

Lp1, L.spp

-

11

0.65

92

0

Lp1, L.spp

-

12

0.73

116

0

Lp1, Lp2-14, L.spp

-

13

0.9

65

0

Lp1, Lp2-14, Lspp

-

14

0.89

240

0

Lp1, L.spp

-

15

0.48

73

0

Lp1, L.spp

-

16

0.71

111

0

Lp1, Lp2-14, Lspp

-

17

0.88

255

0

Lp 1

-

18

1.26

412

0

Lp1, Lp2-14, Lspp

-

19

0.45

317

0

Lp1, Lp2-14, Lspp

-

20

1.02

108

0

Lp1, Lp2-14, Lspp

-

21

1.03

70

0

Lp1, Lp2-14, Lspp

-

22

0.83

160

1

Lp2-14

n.a

23

0.77

225

1

Lp2-14

n.a.

24

1.12

193

1

Lp2-14, L.spp

n.a.

25

1.27

448

1

Lp2-14

n.a.

26

0.92

482

2

Lp2-14, Lspp,

n.a

27

0.76

196

0

Lp2-14, Lspp,

n.a.

28

0.85

268

0

Lp2-14, Lspp

n.a.

29

0.78

57

0

Lp2-14

n.a

30

0.80

86

0

Lp2-14, Lspp,

n.a.

31

0.81

90

0

Lp2-14, Lspp

n.a.

32

0.80

30

0

Lp2-14, Lspp

n.a

33

0.82

54

0

Lp2-14, Lspp

n.a.

34

0.89

228

0

Lp2-14

n.a.

35

1.19

138

0

Lp2-14

n.a

36

0.93

85

0

Lp2-14 Lspp

n.a.

37

0.53

175

0

Lp2-14, Lspp

n.a.

38

0.90

242

0

Lp2-14

n.a

39

0.76

72

0

Lp2-14

n.a.

40

0.82

85

0

Lp2-14, Lspp

n.a.

41

0.48

482

0

Lp2-14, Lspp

n.a.

42

0.76

49

0

Lspp

n.a.

43

0.66

73

0

Lp2-14

n.a.

44

1.17

82

0

Lp2-14, Lspp

n.a

45

0.87

48

0

Lp3

n.a.

46

0.70

139

0

Lp2-14,Lspp

n.a.

47

/

110

2

Lp1, Lp2-14, L.spp

+

48

/

126

1

Lp1

+

49

/

117

1

Lp1, L.spp

-

50

/

174

0

Lp1,Lspp

-

51

/

60

0

Lp1

-

52

/

30

0

Lspp

n.a

53

/

60

0

Lp2-14

n.a.

54

/

174

0

Lp2-14, Lspp

n.a

55

/

60

0

Lp2-14

n.a.

56

/

177

0

Lspp

n.a

  1. n.a. = not applicable.
  2. Lp1 = L. pneumophila sg 1; Lp2-14 = L. pneumophila sg 2–14; L. spp = L. species non-pneumophila.