Table 1

Number of subsamples M and A that were positive for Campylobacter spp.

Campylobacter Positive (%)


Enrichment Conditions

Breast

Thighs

Total


Microaerobic

20 (38)

28 (45)

48 (44)

Aerobic

18 (34)

28 (45)

46 (43)

Statistics

χ2 a

0.10

0.00

0.50

P value

0.75

1.00

0.81

Sensitivity

0.81

0.88

0.79

Specificity

0.78

0.85

0.87

Accuracy

0.80

0.86

0.83

Kappa value

0.58

0.73

0.66


a A chi-square values ≤ 3.84 assumes the null hypothesis that means from the reference method (microaerobic conditions) are equivalent to means from the test method (aerobic conditions) and cannot be rejected at the 5% level of confidence (P < 0.05).

Zhou et al. BMC Microbiology 2011 11:175   doi:10.1186/1471-2180-11-175

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