Table 5

Local (non-spatial) analysis: intrafarm and interfarm isolates/EP (%) and EP speed
Farm ID
 Farm iso-lates
 Farm isolates in cows tested once
 EPs per farm
 MF iso-lates/EP
 MF isolates/EP/cows tested once
 Intra-farm isolates/EP (%)
 Adjusted intrafarm isolates/EP (%)
 MF EP (ID)
 Interfarm isolates/EP%
A
 B
 C
 D
 E
 F
 G
 H
 I
 J
14
 49
 49
 5
 33
 33
 67.34
 67.3
 53
 zero
9
 6
 5
 3
 3
 3
 50.0
 50.0
 10
 high
22
 6
 6
 3
 3
 3
 50.0
 50.0
 29
 high
5
 17
 15
 6
 7
 6
 41.18
 35.3
 60
 low
13
 6
 6
 4
 2
 2 and 2
 33.33
 33.3
 16 and 42
 Average, low
7
 29
 28
 16
 6
 6
 20.69
 20.6
 29
 high
3
 302
 126
 25
 181
 59
 59.9
 19.5
 38
 high
1
 362
 194
 38
 90
 58
 24.8
 16.02
 10
 high
4
 58
 19
 8
 26
 9
 44.82
 15.5
 79
 high
2
 240
 167
 34
 33
 33
 13.7
 12.5
 2
 zero
8
 9
 9
 9
 1
 1
 11.11
 11.1
 29, 38, 56, 57, 67, 69, 71, 72, 76
 high, low
6
 60
 21
 15
 17 and 17
 4 and 4
 28.33
 6.7
 29 and 58
 high, zero

A: Farm identifier

B: Total number of isolates collected in the farm

C: Total numbers of isolates collected from different cows of the farm

D: Total number of EPs found in the farm

E: Number of isolates of the EP most frequently (MF) found in the farm

F: Number of isolates of the MF EP found in cows tested once in the farm

G: Percent of all farm isolates reporting the MF EP ("G"= "E"/"B")

H: Percent of all farm isolates reporting the MF EP, based on non-repeated cow testing ("H"="F"/"B")

I: Identifier of the MF EP isolated in the farm

J: Low, average, high: below the 50th (low) or 75th (average) percentile, or above the 75th percentile, respectively, as reported in Table 4 and Fig. 3(b-e).

Rivas et al. International Journal of Health Geographics 2008 7:58   doi:10.1186/1476-072X-7-58

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