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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.