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Table 7 Level of agreement between surveyed groups on ranking of organs/tissue within which a grossly visible lesion was detected (top and next rank) at 12 public abattoirs

From: Assessment of physical facilities and detection of post-mortem lesions in public abattoirs in selected districts of Wolaita zone, Ethiopia

Organ/

tissue

Overall districts

Agro-ecological zone

Highland (Dega)

Midland (Wonadega)

Lowland (Kola)

Mean rank score

Test statistics

Mean rank score

Test statistics

Mean rank score

Test statistics

Mean rank score

Test statistics

a

1.42

N = 12

1.50

N = 4

1.33

N = 3

1.40

N = 5

b

2.58

Kendall’s W = 0.518

2.25

Kendall’s W = 0.612

3.00

Kendall’s W = 0.600

2.60

Kendall’s W = 0.456

c

3.83

 

4.00

 

4.00

 

3.60

 

d

4.33

Chi-Square = 24.867

4.50

Chi-Square = 9.800

4.33

Chi-Square = 7.200

4.20

Chi-Square = 9.120

e

2.83

Df = 4

2.75

Df = 4

2.33

Df = 4

3.20

Df = 4

  

Asymp. Sig = 0.0001

 

Asymp. Sig = 0.044

 

Asymp. Sig = 0.126

 

Asymp. Sig = 0.058

  1. LN = lymph node
  2. a = Lung, mediastinal and bronchial LN; b = Liver and hepatic LN; c = Spleen; d = Kidney; e = Intestine and mesenteric LN
  3. *Kendall’s W = coefficient of concordance (the evidence of agreement between informant group was categorized as “weak” for W < 0.26 and p > 0.05; “moderate” for W = 0.26–0.38 and p < 0.05; and strong for W > 0.38 and p < 0.01 according to the published guidelines on the interpretation of W and p-value (Siegel and Castellan, 1988 Nonparametric Statistics for the Behavioral Sciences (2nd ed.) McGraw-Hill)
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BMC Veterinary Research

ISSN: 1746-6148

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